N.Y. C.P.L.R. 4530

§ 4530. Certificate of population. (a) Prima facie evidence. A\ncertificate of the officer in charge of the census of the United States,\nattested by the United States secretary of commerce, giving the result\nof the census is, except as hereinafter provided, prima facie evidence\nof such result.\n (b) Conclusive evidence. Where the population of the state or a\nsubdivision, or a portion of a subdivision of the state is required to\nbe determined according to the federal or state census or enumeration\nlast preceding a particular time, a certificate of the officer in charge\nof the census of the United States, attested by the United States\nsecretary of commerce, as to such population as shown by such federal\ncensus, or a certificate of the secretary of state as to such population\nas shown by such state enumeration, is conclusive evidence of such\npopulation.\n