COMMISSIONER OF REVENUE vs. BARNETT G. LONSTEIN & another. [Note 1]

LIACOS, C.J. Massachusetts taxes interest from savings deposits having a principal amount of $100,000 or more at a rate of 10%, while taxing interest from savings deposits having a principal amount of less than $100,000 at a rate of 5%. G. L. c. 62, Section 2 (b) (1)-(2) and Section 4 (1988 ed.). [Note 2] The Appellate

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Tax Board (board) ruled that this distinction violates the mandate of art. 44 of the Amendments to the Constitution of the Commonwealth, that income derived from the same class of property shall be taxed at a uniform rate. [Note 3] We affirm the decision of the board.

We summarize the board's findings of fact, which were based on statements of agreed facts filed by the parties.

The plaintiff taxpayers opened a twenty-four month term deposit account of $100,000 at the Leicester Savings Bank in Leicester in February, 1980. In August, 1981, they opened two thirty-month time deposit accounts of $55,853.97 each and a thirty-month time deposit account of $100,000 at the People's Savings Bank in Worcester. The taxpayers reported all interest earned on these accounts in 1982 and 1983 on their Massachusetts joint income tax returns for each year, listing the interest as taxable at the 5% rate.

In November, 1985, the Commissioner of Revenue (commissioner) notified the taxpayers of his intent to assess an additional tax on income earned in 1982 and 1983, basing his assessments on a determination that interest earned from the taxpayers' term and time deposits having a principal amount of $100,000 or more was income taxable at 10%. In December, 1985, the taxpayers paid in full the assessments for 1982 and 1983, filing applications for abatement of the additional tax. The commissioner denied the taxpayer's applications for abatement. The taxpayers appealed to the Appellate Tax

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Board, which held that the taxpayers were entitled to an abatement.

"`In addressing a constitutional challenge to a tax measure, we begin with the premise that the tax is endowed with a presumption of validity and is not to be found void unless its invalidity is established beyond a rational doubt.' Andover Sav. Bank v. Commissioner of Revenue, 387 Mass. 229, 235 (1982). See Daley v. State Tax Comm'n, 376 Mass. 861, 865 (1978). We recognize that under art. 44 the Legislature has considerable discretion in designating different classes of property for the purpose of setting tax rates, id. at 865-866. That discretion is not unlimited, however. Article 44 requires uniformity of tax rates with respect to income derived `from the same kind of property' (emphasis added). Opinion of the Justices, 266 Mass. 583, 586 (1929). Properties are of the same kind unless there are `actual underlying differences' between them. Daley v. State Tax Comm'n, supra at 866, quoting Barnes v. State Tax Comm'n, 363 Mass. 589, 594 (1973)." Salhanick v. Commissioner of Revenue, 391 Mass. 658, 662 (1984).

The commissioner claims that there are sufficient underlying differences between a deposit of less than $100,000 and one of more than that amount for the Legislature's distinction to pass constitutional muster. We disagree. [Note 4]

We do not think that a difference in the amount of deposit constitutes a "difference in kind" under art. 44. Salhanick, supra. Under G. L. c. 62, Section 2 (b) and Section 4, interest from a deposit in the amount of $99,999.99 would be taxed at a rate of 5%, but, with one penny added, it could be taxed at the rate of 10%. Such a scheme cannot be tolerated by art. 44. See Salhanik, supra (invalidating taxation of income from iron ore held for more than six months at a different rate

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from that imposed on income from iron ore held for less than six months).

The commissioner argues that, because Massachusetts banking practice and State and Federal regulatory agencies treat term and time deposits of $100,000 or more differently from those of less than $100,000, the Legislature may tax these deposits at different rates. An examination of the Federal regulation of term and time deposits reveals that the figure of $100,000 was formerly not the prevailing dividing line. [Note 5] We cannot permit the fluctuations of the marketplace repeatedly to modify the determination whether varying amounts of a deposit comprise the "same kind" of property. The constitutional dictates of art. 44 do not rest on such shifting grounds.

We affirm the decision of the Appellate Tax Board. All of the taxpayers' 1982 and 1983 income from their accounts at issue is to be treated as Part B income. All amounts which the commissioner collected in excess of the appropriate tax are to be refunded with interest from the date of application.

So ordered.