N.Y. County Law § 363

§ 363. Supplemental appropriations. The board of supervisors, during a\nfiscal year, by resolution, may make additional appropriations or\nincrease existing appropriations, the funds therefor to be provided from\nany unencumbered balances in appropriations pursuant to section three\nhundred sixty-four of this article, the contingent funds pursuant to\nsection three hundred sixty-five of this article, or unanticipated\nrevenues and unappropriated unreserved fund balance pursuant to section\nthree hundred sixty-six of this article, or pursuant to the local\nfinance law.\n