STEVEN LAGRANT, JR., & others [Note 1] vs. BOSTON HOUSING AUTHORITY.

NOLAN, J. This personal injury action was commenced on October 26, 1984, against the defendant, Boston Housing Authority (BHA), founded on an accident which occurred in April, 1984. It was tried in September, 1986, and the jury returned a

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verdict for the plaintiffs. On appeal, the Appeals Court affirmed the judgment. 26 Mass. App. Ct. 905 (1988). We granted the BHA's application for further appellate review. We affirm the judgment of the Superior Court.

The BHA argues that it was entitled to a judgment because the plaintiffs failed to prove compliance with the presentment requirements of the Massachusetts Tort Claims Act (G. L. c. 258, Section 4 [1986 ed. & 1987 Supp.]).

The BHA is a "public employer" within the meaning of this Act. Section 4 provides that no civil action shall be instituted against a public employer unless the claimant shall first present the claim in writing "to the executive officer of such public employer within two years after the date upon which the cause of action arose."

The BHA at all times material to the case was in receivership and the receiver was an officer and agent of the Superior Court. See Perez v. Boston Hous. Auth., 379 Mass. 703, 736-738 (1980). Claimants were required to secure permission of the Superior Court to sue the BHA. The plaintiffs sought and received such permission.

However, whether such permission satisfies the presentment requirements of Section 4 is not relevant. The Legislature enacted emergency legislation, St. 1987, c. 343, which according to the plaintiffs' argument exempts them from compliance with the presentment requirements of Section 4. Section 3 of St. 1987, c. 343, provides that Section 4 "shall not apply to any civil action brought against a housing authority . . . on a cause of action which arose prior to [May 7, 1987]." It is particularly interesting to note that May 7, 1987, is the precise day on which we decided Commesso v. Hingham Hous. Auth., 399 Mass. 805, 808-809 (1987), which held that a housing authority is not an independent body politic and corporate and that a plaintiff who seeks to enforce a claim against a housing authority shall comply with the presentment demands of Section 4.

The plaintiffs' cause of action arose in April, 1984, a date clearly prior to May 7, 1987. The remedial legislation in St. 1987, c. 343, Section 3, was enacted while the instant appeal was pending in the Appeals Court.

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The BHA argues that we should not allow application of the 1987 amendment retrospectively because, as applied, it is unconstitutional. The agency contends that the amendment amounts to a legislative encroachment on the functions of the judiciary and thus violates art. 30 of the Declaration of Rights of the Massachusetts Constitution (the so-called separation-of-powers provision). Article 30 provides as follows: "In the government of this Commonwealth, the legislative department shall never exercise the executive and judicial powers, or either of them: the executive shall never exercise the legislative and judicial powers, or either of them: the judicial shall never exercise the legislative and executive powers, or either of them: to the end it may be a government of laws and not of men."

Before we can reach the BHA's claim that the 1987 enactment is unconstitutional, we must resolve whether it has standing to raise the issue. The BHA is a creature of the Legislature, and we have said that "[a]gencies, which are creations of the State, may not challenge the constitutionality of State statutes." Spence v. Boston Edison Co., 390 Mass. 604, 610 (1983). Trustees of Worcester State Hosp. v. The Governor, 395 Mass. 377, 380 (1985).

In Spence, this court denied an agency's standing to challenge a State statute on grounds of due process. In Trustees of Worcester State Hosp., we refused to recognize a governmental entity's standing to claim that a State law allowed an unconstitutional taking of its property. An agency's claim that the Legislature has violated art. 30 by encroaching on the power of the judiciary is distinguishable, however. See Bruneau v. Edwards, 517 So. 2d 818, 822 (La. Ct. App. 1987) (legislators had standing to challenge law that allegedly gave legislative power to executive branch). If agencies that are affected by legislation said to intrude on judicial rights and art. 30 cannot seek judicial relief, then the judicial branch might be foreclosed from protecting its separate powers from legislative dominance. The judiciary can only exercise its power by deciding cases. It is not sufficient protection for the judiciary to hope that the Legislature will seek an advisory opinion from the Justices and defer to that opinion when considering

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a statute that potentially usurps judicial power. See Opinion of the Justices, 234 Mass. 612 (1920). Thus we conclude that agencies such as the BHA have standing to challenge the constitutionality of a State statute when it is alleged that the statute represents legislative encroachment on judicial power in violation of art. 30.

In examining the BHA's claim that St. 1987, c. 343, Section 3, violates art. 30, we determine that it does not. This provision prohibits the Legislature from enacting legislation which revokes a final judgment or decree. See Weingartner v. North Wales, 327 Mass. 731, 738 (1951). However, the challenged statute does not disturb a final judgment in the present case. Accordingly, the 1987 enactment properly operates in favor of the plaintiffs.

Judgment affirmed.