OPINION OF THE JUSTICES TO THE HOUSE OF REPRESENTATIVES.

On October 30, 1973, the Justices submitted the following answers to questions propounded to them by the House of Representatives.

To the Honorable the House of Representatives of the Commonwealth of Massachusetts:

The Justices of the Supreme Judicial Court submit the following reply to the questions set forth in the order adopted by the House of Representatives on September 11, 1973, and transmitted on September 14, 1973.

1. Summary of the order. The present order relates to a bill, House No. 7409, as reported by the Committee on Ways and Means, and certain proposed amendments thereto, pending in the General Court. The subject matter is the contributory retirement system for employees of the Commonwealth or subdivisions delineated in G. L. c. 32, Sections 1-28. The bill as reported has two distinct features. First, members of the retirement system who are veterans (as defined), having at least twenty years accumulative service in the government, could obtain "creditable" service up to four years military service performed -- which would have the effect of enhancing their ultimate benefits -- on making certain contributions for an equivalent number of years in addition to their regular contributions. Sections 1, 3. Second, Section 2 of the bill would increase from the present five per cent to seven per cent the rate of withholdings from the regular compensation of government employees who are or will hereafter become members of the retirement system. These withholdings represent the members' contributions to the funding of the system, the balance required being furnished by government

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appropriations.

The House makes no inquiry as to the provision for veterans, but as to the far-reaching Section 2 it asks whether that section, if enacted, would be constitutionally valid notwithstanding G. L. c. 32, Section 25 (5), establishing membership in the retirement system as a contractual relationship under which the rights of members from time to time retired for superannuation are guarded against impairment as there set forth.

The proposed amendments to House No. 7409, besides changing the title of the bill, would state that Section 2 shall apply only to persons entering government service after January 1, 1974 (Section 3A), and would declare that it was the intent of the General Court to provide funds to reduce appropriations required for the payment of contributory pensions (Section 5).

The House asks whether Section 2 would be constitutionally valid if given only the prospective operation just indicated.

2. Details of the order. The specific questions put are:

"1. Is it constitutionally competent for the General Court to enact legislation increasing from five (5) to seven (7) per cent, as provided in Section 2 of said bill, the amount to be withheld from the regular compensation of employees of governmental units who are presently members of the contributory retirement system, notwithstanding the provisions of subdivision (5) of Section 25 of Chapter 32 of the General Laws which established the contractual rights and obligations of certain members and governmental units in contributory retirement systems and protected such rights from impairment?

"2. Would the enactment of such legislation alter the nature and legal effect of an existing contract depriving said employees of property, privilege or estate without due process of law in violation of Articles 1, 10 and 12 of the Declaration of Rights of the Constitution of Massachusetts?

"3. Would the enactment of such legislation destroy or impair the obligation of a contract protected by Article 1,

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section 10 of the Federal Constitution?

"4. Would the enactment of such legislation deprive said employees of property rights in contravention of Article 14 of the Amendments to the Federal Constitution?

"5. Would it be constitutionally competent for the General Court to enact House No. 7409 if the provisions of Section 2 were to apply only to persons first employed by the Commonwealth or a political subdivision after January 1, 1974?"

The text of House No. 7409 is as follows:

"AN ACT RELATIVE TO ESTABLISHING THE VETERANS' RETIREMENT ACT OF NINETEEN HUNDRED AND SEVENTY-THREE.

"Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

"SECTION 1. The third subparagraph (h) of subdivision (1) of section 4 of chapter 32 of the General Laws is amended by adding the following sentence: -- Any member who is a Massachusetts veteran as defined in section (1) having not less than twenty years accumulative service in the commonwealth or any of its political subdivisions shall be granted creditable service up to four years military service performed.

"SECTION 2. Subdivision (1) of section 22 of chapter 32 of the General Laws, as most recently amended by chapter 1012 of the acts of 1971, is hereby further amended by striking out paragraph (b) and inserting in place thereof the following paragraph: -- [Note Star]

"(b) The treasurer or other disbursing officer in charge of payrolls in any governmental unit to which a system pertains, and the treasurer or other disbursing officer in charge

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of payrolls in any free public library the employees of which are eligible for membership in a system, shall, upon written notice from the board, withhold on each payday seven per cent of the regular compensation of each employee who is a member in service of the system, which is received on such day by such member on account of service rendered by him on or after January first, nineteen hundred and forty-six, and not later than the date of his attaining the maximum age for his group; provided, that in the case of any teacher such withholding shall be made upon written notice from the school committee, board of trustees or other employing authority, to the treasurer or other disbursing officer of the political subdivision by which such teacher is employed; and provided, further, that in the case of any person in the service of any institution or school in the department of mental health, the department of public health or the department of public welfare whose employment is not subject to chapter thirty-one and the rules and regulations made thereunder such withholding shall be made on account of salary payments during the first six months of service, but shall be held in escrow by the payroll authority until completion of said six months and, if employment terminates prior to completion of said six months, employing authorities are hereby authorized to make the proper refunds.

"SECTION 3. Any veteran eligible for creditable service pursuant to section one of this act shall pay in addition to his regular retirement contribution an amount equal to seven per cent of the starting salary of such position commencing with the year 1970 for each year of creditable service so desired.

"SECTION 4. The provisions of this act shall take effect of [sic] January 1, 1974."

The proposed amendments to House No. 7409 read thus:

"Inserting after section 3 the following section: "`SECTION 3A. Section two of this act shall apply only to persons who enter the service of the commonwealth or a

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political subdivision thereof on and after January first, nineteen hundred and seventy-four.'.

"By adding at the end of the bill the following section:

"`SECTION 5. It is the intent of the general court to provide funds to reduce appropriations required for the payment of contributory pensions.'.

"By striking out the title and inserting in place thereof the following title `An Act providing creditable service for certain veterans under the contributory retirement system, and increasing the contributions required by all employees of said system.'."

Section 25 (5) of G. L. c. 32 states:

"The provisions of sections one to twenty-eight, inclusive, and of corresponding provisions of earlier laws shall be deemed to establish and to have established membership in the retirement system as a contractual relationship under which members who are or may be retired for superannuation are entitled to contractual rights and benefits, and no amendments or alterations shall be made that will deprive any such member or any group of such members of their pension rights or benefits provided for thereunder, if such member or members have paid the stipulated contributions specified in said sections or corresponding provisions of earlier laws."

3. Impact of a general increase in the rate of withholdings. This court has referred to the "great complexity" of the provisions of chapter 32 of the General Laws dealing with the subject of retirement of government employees and related topics. [Note 1] Only the barest outline of the features of the retirement system relevant to the present opinion can be given here.

Administration of the retirement system is largely in the hands of over a hundred retirement boards severally covering groups of State employees or employees of particular counties,

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cities, towns, districts or authorities, with two boards -- the State Board of Retirement and the State Teachers' Retirement Board -- having by far the largest numbers of employee-members. With some variations, however, the system is uniform in its application to all these boards and their members. The system is predominantly "compulsory" and "contributory": most employees join the system automatically as the governmental unit which they serve accepts it, and they contribute to it by means of deductions automatically made from their salaries. Since the revamping of the system in 1945 (St. 1945, c. 658, Section 1), the rate of deductions has been fixed at five per cent of salary. The participating governmental units by annual appropriations, on a pay-as-you-go basis, furnish the rest of the wherewithal, that is, such amount as is required, over and above the contributions of members (augmented by investment), to meet the legal obligations of the system, the amount being determined yearly by the actuary in the Commonwealth's Department of Banking and Insurance.

The legal obligations of the system consist of liabilities for a spectrum of retirement and similar benefits including benefits upon retirement of members for superannuation or for ordinary or accidental disability, as well as benefits in the form of termination allowances in certain cases of resignation of members, failure of reelection or reappointment, removal, or discharge.

The arrangements concerning retirement for superannuation are central to the system and are digested here. During the period of his employment the member will have made his contributions through deductions from his salary at the five per cent rate and these contributions and those of other members will have been earning further sums through investment. [Note 2] When age, term-of-service, and other qualifications are met, the member retires with benefits. The normal yearly amount of his retirement allowance is computed on the basis

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of age at retirement, years of "creditable" service with the government-employer, job grouping, and average rate of compensation over a prescribed period, with certain stated additions, for example, for veterans' status and "cost of living" increases, and with certain maximum limits. The computation results in a dollar amount as the normal yearly allowance. It is worked out mathematically without reference to how much of the allowance so determined represents funding through the member's own contributions, and how much is to be supplied by government appropriations.

A member has a choice as to how his allowance shall be paid. Under option (a), he simply receives the normal yearly allowance for the rest of his life with no provision for any continuation of payments to survivors. As for the bookkeeping internal to the system, the accumulated deductions from the member's salary are used to provide an actuarial equivalent in the form of a regular life annuity for the member (the annuity share of the allowance). The governmental unit is responsible for the usually considerable difference needed to make good the normal yearly allowance paid to the member until his death (the pension share).

Under option (b), the member receives an amount somewhat less than the normal yearly allowance until death but there is provision for surviving beneficiaries. The salary deductions are here used for a cash refund life annuity. If the member dies before the end of his predicted term, a lump sum, representing in effect the difference between the value of the salary deductions and the annuity share of the allowances actually paid to the member, goes to the survivors.

Option (c), a "joint and last survivor" option, yields a much reduced yearly allowance to the member after retirement until death, but provides that two-thirds of that allowance shall continue to be paid during the lifetime of his surviving eligible beneficiary. Again a pension share complements the share funded by the member's contributions through salary deductions. [Note 3]

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The impact on the superannuation retirement category of a raise in salary deductions from five to seven per cent can now be appreciated. Considering option (a), the change would mean a forty per cent increase of the member contributions providing the annuity share of the yearly allowance, and a comparable decrease in the pension share furnished by government, for the pension share represents roughly the difference between what the member has created in the way of an annuity and the fixed yearly retirement allowance to which he is entitled. The member would pay more without any enlargement of the benefits. In essence the same is true of the other options. The general effect of Section 2 of House No. 7409 is indeed plainly indicated in Section 5, proposed as an amendment to the bill: "It is the intent of the general court to provide funds to reduce appropriations required for the payment of contributory pensions." This is done by increasing the members' contributions without substantially altering the current benefits, i.e. the amounts being paid out to members.

As the superannuation category is at the heart of the system and of the questions put by the House, we say only a word about other categories of chapter 32. For ordinary disability (nonveterans), and generally for terminations, an increase in the members' contributions would apparently have like effect in requiring members to put in more money without thereby enhancing the benefits to themselves. With regard to ordinary disability (veterans) and accidental disability and accidental death, the steeper contributions by members would not in general relieve the government, since the government's share in those categories is based on a fixed percentage of the member's rate of pay over a given period of time; the effect would rather be a forced increase in both the member's investment in and return of those benefits.

We add as a matter of common knowledge that the level of retirement allowances to members has risen over the years as

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the result not only of the higher salaries entering into the computation formulas but of favorable legislative decisions like that proposed for veterans in the present bill. Appropriations have correspondingly mounted. [Note 4]

4. Nature of the "contractual relationship" of G. L. c. 32, Section 25 (5). It is convenient to start with the view that this court has expressed in the past about the Legislature's power to change the terms of a retirement benefits scheme when no statutory provision such as Section 25 (5) has been applicable.

In Foley v. Springfield, 328 Mass. 59 (1951), the court said that benefits under a noncontributory retirement scheme -- one in which the government footed the entire cost -- were merely "gratuities" or "expectancies" rather than "contractual obligations" (328 Mass. at 61), and therefore the Legislature could abrogate them at will. Cf. Coakley v. Attorney Gen. 318 Mass. 508 (1945). The statute under attack, amending the existing scheme, cut down in certain events the stated pensions payable to members in case they accepted and had earnings from outside employment after their retirement; in the particular instance the member had already retired when the statute was passed. In Kinney v. Contributory Retirement Appeal Bd. 330 Mass. 302 (1953), the same attitude was taken toward a phase of a chapter 32 contributory retirement scheme: it was competent for the Legislature to reduce benefits payable to a member, and this without regard to whether the member had already fulfilled the conditions upon which those benefits would become due at the time the amendatory law went into effect. The amendment -- changing the provision in force when the member entered the system and when he made the relevant contributions -- declared that time of service as an elected representative in the General Court should not count as "creditable" service. The court aligned itself with those decisions

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in other jurisdictions, taken by the court to represent the numerical weight of authority, which treated compulsory contributory [Note 5] plans as not different from noncontributory plans, and held that none was to be read as establishing a contractual relationship vesting rights that were constitutionally protected against subsequent destructive legislation. To say that a member "contributed" to a plan by salary deductions was merely another way of saying -- so it was suggested -- that his salary was less than the stated amount, and the retirement benefits under the plan were still State-granted gratuities. One Justice dissented from the judgment of the court. As he later explained, [Note 6] he believed the assimilation of contributory with noncontributory plans was not supported by a preponderance of the decided cases, and he evidently saw practical reasons for a difference. Roach v. State Bd. of Retirement, 331 Mass. 41 (1954), resembled the Kinney case; and in McCarthy v. State Bd. of Retirement, 331 Mass. 46 (1954), the court held that it did not matter that the member was actually receiving his retirement benefits when the statute was passed denying him "creditable" service for his period in the General Court. [Note 7]

The last case in this series was Smolinski v. Boston Retirement Bd. 346 Mass. 210 (1963), where the situation was similar to that in the Foley case except that the system was a compulsory contributory one under chapter 32 and the benefits were those arising not upon superannuation but disability. The court said again that -- putting Section 25 (5) to one side, as inapplicable [Note 8] -- members could not complain of impairment.

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As is suggested by the disagreement of the Justices on the Kinney problem, the law in this country defining the character of retirement plans for public employees was not settled at the time (indeed it remains unsettled today). There was growing realization that public employees look upon pension and similar benefits as in substance delayed compensation for their services, and rely on these benefits as a security against destitution in their old age and against catastrophe. Government, on the other hand, sees retirement plans as a necessary means of attracting able workers who will remain on the job for the long run. These practical understandings have been reflected in court decisions characterizing retirement benefits as earnings rather than gratuities, and the plans as "contractual." See annotation, 52 A.L.R. 2d 437 (1957). The Kinney, Roach, and McCarthy cases in the mid-1950's might thus have been expected to raise serious questions not only among government employees but their employers as well.

A Special Commission to Study and Revise the Laws Relating to Retirement Systems and Pensions had been created in 1951 (Res. 1951, c. 52, Res. 1953, c. 807) and was at work when those cases were decided. The Final Report of the commission in 1955 (House No. 2500) reflects the dissatisfaction with the decisions (pp. 40, 106-107). The commission, however, was divided on what to do. A majority was prepared to add contractual language to Section 25 (4) (to be entitled "Guaranty of Allowance by Governmental Unit"), but not to alter materially Section 25 (5) as it then stood. (See pp. 18, 40-41, 232.) Section 25 (5) then allowed alteration from time to time or repeal of the basic provisions of chapter 32, but not so far as to reduce the amount of any annuity, pension, or retirement allowance previously granted, or to affect adversely benefits accrued to members by reason of previous contributions

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and service. [Note 9] Thus for members on the job, benefits for the future could be reduced without limit. A minority of the commission was not content with this narrow assurance to members. The minority wanted a full acceptance of the contractual idea, and referred to a New York constitutional provision in that style. [Note 10] (See pp. 105-108.) It proposed legislation (substituting for both Section 25 [4] and [5]) which would establish membership as a contractual relationship and entitle a member to the benefits provided from time to time during the period of his service without diminution by subsequent alteration or repeal; but an employee becoming a member after such a change would take subject to it. [Note 11] This envisaged the progressive vesting from time to time during a member's service of increasing benefits as they might be provided by the Legislature.

A spate of bills was introduced by various hands in 1955-1956, [Note 12] from which emerged St. 1956, c. 525, amending Section 25 (5); there has been no change in the text since 1956. Amended Section 25 (5) definitely leans toward the minority proposal,

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but detached from its background this provision is not altogether clear. It has not been interpreted by the court except for a remark in the Smolinski case that it does not range beyond superannuation but applies both retroactively and prospectively to members retired for that reason. 346 Mass. at 213 (1963).

An advisory opinion which does not follow full debate [Note 13] and is not addressed to concrete cases is hardly the occasion to attempt a complete elucidation of the statutory language, an elucidation which could not be authoritative in any event. Bowe v. Secretary of the Commonwealth, 320 Mass. 230, 245, n. 1 (1946). Still we think the following can be fairly said. The first, and dominating, clause of Section 25 (5), akin to the New York constitutional provision quoted in n. 10, overcomes the "gratuity" thesis and imports a "contractual relationship." The minimal meaning of this change is that the "contract" is formed when a person becomes a member by entering the employment, and he is entitled to have the level of rights and benefits then in force preserved in substance in his favor without modification downwards. Anything short of this interpretation would result in an approximation of the pre-1956 version of Section 25 (5), and render the 1956 amendment aimless and nugatory. When we speak of the level of rights and benefits protected by Section 25 (5) we mean the practical effect of the whole complex of provisions not excluding the deductions, as an increase in deductions is little different from a diminution of the allowance. [Note 14] There is a further interpretive question harder to resolve: whether a

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member is protected in additional benefits that may be legislated from the date of his becoming a member to the time of his retirement -- i.e. whether the viewpoint of the minority of the commission was fully adopted. To this matter we return below.

"Contract" (and related terms such as rights, benefits, protection) should be understood here in a special, somewhat relaxed sense. The label "gratuity" could never have been taken with sober literalness, [Note 15] and so also for "contract." It is not really feasible -- nor would it be desirable -- to fit so complex and dynamic a set of arrangements as a statutory retirement scheme into ordinary contract law which posits as its model a joining of the wills of mutually assenting individuals to form a specific bargain. As the commentators show, a retirement plan for public employees does not readily submit itself to analysis according to Professor Williston's canons. See Note, Contractual Aspects of Pension Plan Modification, 56 Col. L. Rev. 251, 253-263 (1956); Cohn, Public Employee Retirement Plans -- The Nature of the Employees' Rights, 1968 U. of Ill. L. Forum 32, 42-46; cf. Spina v. Consolidated Police & Firemen's Pension Fund Commn. 41 N. J. 391, 401 (1964). When, therefore, the characterization "contract" is used, it is best understood as meaning that the retirement scheme has generated material expectations on the part of employees and those expectations should in substance be respected. Such is the content of "contract."

It is true that a few cases that adopt the label of "contract" have approached the terms of a retirement plan as they would a bond indenture, [Note 16] but closer to the realities is

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the view that "contract" protects the member of a retirement plan in the core of his reasonable expectations, but not against subtractions which, although possibly exceeding the trivial, can claim certain practical justifications. Attention should then center on the nature of these justifications in the light of the problems of financing and administering these massive plans under changing conditions.

Decisions in California (as well as in other States) take just this view of the nature of the "contract." From 1947 onward the Supreme Court of California passed from a "gratuity" to a "contract" position (without the aid of any such statute as our Section 25 [5]). See Kern v. Long Beach, 29 Cal. 2d 848, 853-856 (1947); Allen v. Long Beach, 45 Cal. 2d 128, 133 (1955). Summing up the attitude of that State as it has evolved, an intermediate appellate court said in Wisley v. San Diego, 188 Cal. App. 2d 482, 485-486 (1961): "Where a city charter provides for pensions, it is well settled that the pension rights of the employees are an integral part of the contract of employment and that these rights are vested at the time the employment is accepted. An amendment to the charter which attempts to take away or diminish these vested rights is an unconstitutional impairment of contract. However, this does not preclude reasonable modifications of the pension plan prior to the employees' retirement. Reasonable modifications are often necessary in order that the pension system may be kept flexible, to permit adjustments in accord with changing conditions and to maintain the integrity of the system in order to carry out its beneficent purpose. . . . To be sustained as reasonable, alterations of the employees' pension rights must bear some material relationship to the theory of a pension system and its successful operation, and changes which result in a disadvantage to the employees should be accompanied by comparable new advantages. . . . The validity of attempted changes in vested pension rights depends upon the advantage or disadvantage to the individual employee whose rights are involved, and benefits to other employees cannot offset detriments imposed upon

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those whose pension rights have accrued." [Note 17] See Bakenhus v. Seattle, 48 Wash. 2d 695, 698 (1956).

We think the "contractual relationship" envisaged by Section 25 (5) has similar tolerances. [Note 18]

5. Validity of proposed increase of rate of deductions. The contract so envisaged is under the shelter of the impairment-of-contract clause, or, what amounts to much the same thing, [Note 19] the due process clause of the Federal Constitution and State constitutional provisions cognate to the latter. The Supreme Court of the United States early held that a retirement plan, if fairly interpreted as involving mere gratuities or expectancies, could be whittled away by the State, see Pennie v. Reis, 132 U.S. 464, 471-472 (1889), [Note 20] and this court took the same position in its 1951-1954 gratuity cases cited above. On the other hand, a retirement plan establishing a contractual relationship invites a different analysis and whether viewed strictly as contract or as property may be constitutionally guarded against impairment. See Indiana ex rel. Anderson v. Brand, 303 U.S. 95 (1938); Lynch v. United States, 292 U.S. 571, 578-579 (1934); cf. Campbell v. Boston, 290 Mass. 427 (1935). But it is basic that the State reserves police powers that may in a particular predicament enable it to alter or abrogate even conventional contractual rights. See Massachusetts Port Authy. v. Treasurer & Recr. Gen. 352 Mass. 755, 762-763 (1967); El Paso v. Simmons, 379 U.S. 497 (1965); Home Bldg. & Loan Assn. v. Blaisdell, 290 U.S. 398, 434-435 (1934).

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Legislation which would materially increase present members' contributions without any increase of the allowances finally payable to those members or any other adjustments carrying advantages to them, appears to be presumptively invalid -- invalid, that is to say, unless saved by the reserved police powers. Whether a situation of stress exists here sufficiently serious to call those powers into play and save the legislation is a question grounded ultimately in fact, not to be resolved in an advisory opinion. It is, however, instructive in this connection to note that in Allen v. Long Beach, 45 Cal. 2d 128 (1955), a statute simply increasing the contributions of public employees to a retirement plan from two to ten per cent of salary was denied enforcement. The change lay outside the "contract," as it was not shown to bear a reasonable relation to the successful functioning or integrity of the plan. And no extraneous facts had been brought forward sufficient to palliate or excuse the impairment of members' rights. It is true that the statute in question had further features also unfavorable to the members, but it appears likely that the court would have invalidated the statute even if it had contained only the provisions for increase of members' contributions. See Glaeser v. Berkeley, 148 Cal. App. 2d 614, 617 (1957). Increases in members' contributions without corresponding benefits were similarly treated in Wisley v. San Diego, 188 Cal. 2d 482 (1961). We note in the margin further decisions proceeding on the same basis but involving other kinds of modifications of retirement plans materially diminishing members' rights. [Note 21] That the maintenance of a retirement plan is heavily burdening a governmental unit has not itself been permitted to serve as justification for a scaling down of benefits figuring in the "contract," although no case presenting proof of a catastrophic condition of the public finances has been put. See Abbott v. Los Angeles, 50 Cal. 2d 438, 455 (1958); Phillis v. Santa Barbara, 229 Cal. App. 2d 45, 65-66 (1964). It should be added

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that the Legislature's opinion that justification does in fact exist for the modification of a plan is entitled to judicial respect; especially so if that opinion is buttressed by prior formal investigation of the facts.

What has been said about the presumptive invalidity of the proposed increase in the rate of members' contributions applies most clearly to members who entered the retirement system at approximately its present level of benefits for them (and while Section 25 [5] in its present form was on the statute book). But there may be other members who entered when the level was lower and who have been the recipients of step-by-step enlargements of retirement rights and benefits through favorable legislation over the years. We revert to the question whether they can claim impairment if the proposed change of the rate of contribution, while worsening their current situation, does not reduce them in net effect below the level at which they entered the system. If they can claim impairment, the question would remain whether, in considering the seriousness of the impairment as related to a claimed justification for it, the government is conceivably entitled to any credit (so to speak) for its past indulgences to those members. One sees in the decisions a tendency to compare the situation just before the proposed reduction of benefits with that which would exist afterwards, without much if any consideration of the significance of a progressive increase of benefits in the past: perhaps the courts implicitly assume that there are corresponding enhancements of the members' just expectations. But the problem has not been analyzed exhaustively,

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and we can do no more than advert to it in the absence of concrete states of fact. See Abbott v. Los Angeles, 50 Cal. 2d 438 (1958); Glaeser v. Berkeley, 148 Cal. App. 2d 614 (1957); Kranker v. Levitt, 30 N. Y. 2d 574 (1972). It may be noted that the Legislature has means of preventing a given increase of benefits from becoming vested if it takes due precautions at the time. [Note 22]

6. Validity of proposed increase of rate with respect to prospective employees. The House inquires about the constitutionality of legislation applying the increased rate of deductions from compensation not to present members but only to those persons who will become members after January 1, 1974. We see no constitutional difficulty with such a provision. The expectations of a member safeguarded by Section 25 (5) have their origin in the terms of the plan as they apply to him when he enters upon employment and becomes a member, not in other terms not addressed to him. See Birnbaum v. New York State Teachers Retirement Sys. 5 N. Y. 2d 1, 11 (1958); Kranker v. Levitt, 30 N. Y. 2d 574, 575 (1972). Nor does it seem that a distinction in the applicable terms between present and future members would be arbitrary or discriminatory in a constitutional sense. However, the Section 25 (5) "contractual" regime would -- nothing being legislated to the contrary -- attach to the new member from the date he joins at the level made applicable to him.

7. Conclusions. Question 1 is answered "No," meaning that such legislation is presumptively invalid in the sense indicated in the body of this opinion. Questions 2-4 are severally

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answered "Yes," with the same qualification. Question 5 is answered "Yes."

G. JOSEPH TAURO

PAUL C. REARDON

FRANCIS J. QUIRICO

ROBERT BRAUCHER

EDWARD F. HENNESSEY

BENJAMIN KAPLAN

HERBERT P. WILKINS