(a) Minimum allotment The allotment for a State under section 290cc–21 of this title for a fiscal year shall be the greater of— (1) $300,000 for each of the several States , the District of Columbia, and the Commonwealth of Puerto Rico , and $50,000 for each of Guam, the Virgin Islands, American Samoa, and the Commonwealth of the Northern Mariana Islands; and (2) an amount determined in accordance with subsection (b). (b) Determination under formula The amount referred to in subsection (a)(2) is the product of— (1) an amount equal to the amount appropriated under section 290cc–35(a) of this title for the fiscal year; and (2) a percentage equal to the quotient of— (A) an amount equal to the population living in urbanized areas of the State involved, as indicated by the most recent data collected by the Bureau of the Census ; and (B) an amount equal to the population living in urbanized areas of the United States , as indicated by the sum of the respective amounts determined for the States under subparagraph (A). (July 1, 1944, ch. 373, title V, § 524, as added Pub. L. 100–77, title VI, § 611(3) , July 22, 1987 , 101 Stat. 517 ; amended Pub. L. 101–645, title V, § 511 , Nov. 29, 1990 , 104 Stat. 4728 .) Editorial Notes Prior Provisions A prior section 524 of act July 1, 1944 , was renumbered section 545 by section 611(2) of Pub. L. 100–77 and is classified to section 290ee of this title . Amendments 1990— Pub. L. 101–645 amended section generally, substituting provisions relating to determination of amount of allotment for provisions relating to requiring provision of certain mental health services. CFR Title Parts 42 54