50 CFR §80.84

1. (a)To establish the non-Federal share of a grant-funded project for the 50 States, the Regional Director approves an application for Federal assistance in which the State fish and wildlife agency proposes the specific non-Federal share by estimating the Federal and cost-sharing dollars, consistent with § 80.83(a), (e), and (f).
2. (b)To establish the non-Federal share of a grant-funded project for the District of Columbia and the Commonwealth of Puerto Rico, the Regional Director:
   1. (1)Decides which percentage is fair, just, and equitable for the Federal share consistent with § 80.83(b) and (c);
   2. (2)Subtracts the Federal share percentage from 100 percent to determine the percentage of non-Federal share; and
   3. (3)Applies the percentage of non-Federal share to the allowable costs of a grant-funded project to determine the cost sharing requirement.
3. (c)For the Commonwealth of the Northern Mariana Islands and the Territories of Guam, the U.S. Virgin Islands, and American Samoa (insular areas), the Service must waive all non-Federal cost sharing requirements (see 48 U.S.C. 1469a).