N.D. Cent. Code § 54-24.2-05

For public libraries operated by cities, funds granted under this chapter may not exceed thirty-three percent of the total expenditure of mill levy moneys and other public funds during the preceding year. For public libraries operated by counties, funds granted under this chapter may not exceed the following percent of the total expenditure of mill levy moneys and other public funds during the preceding year: less than $10,000 100 percent $10,000 - $19,999 75 percent $20,000 - $29,999 67 percent $30,000 - $50,000 50 percent over $50,000 33 percent