12 C.F.R. § 745.1
For the purposes of this part:
Account or accounts mean share, share certificate, or share draft accounts (or their equivalent under state law, as determined by the Board in the case of insured state-chartered credit unions) of a member (which includes other credit unions, public units, and nonmembers where permitted under the Act) in a credit union of a type approved by the Board which evidences money or its equivalent received or held by a credit union in the usual course of business and for which it has given or is obligated to give credit to the account of the member.
Member or members mean those persons enumerated in the credit union's field of membership who have been elected to membership in accordance with the Act or state law in the case of state-chartered credit unions. It also includes those nonmembers permitted under the Act to maintain accounts in an insured credit union, including nonmember credit unions and nonmember public units and political subdivisions.
Non-contingent interest means an interest capable of determination without evaluation of contingencies except for those covered by the present worth tables and rules of calculation for their use set forth in § 20.2031-7 of the Federal Estate Tax Regulations (26 CFR 20.2031-7 ) or any similar present worth or life expectancy tables which may be adopted by the Internal Revenue Service.
Political subdivision includes any subdivision of a public unit, as defined in paragraph (c) of this section, or any principal department of such public unit,
Public unit means the United States, any state of the United States, the District of Columbia, the Commonwealth of Puerto Rico, the Panama Canal Zone, any territory or possession of the United States, any county, municipality, or political subdivision thereof, or any Indian Tribe as defined in section 3(c) of the Indian Financing Act of 1974.
Standard maximum share insurance amount referred to as the "SMSIA" hereafter, means $250,000 adjusted pursuant to subparagraph (F) of section 11(a)(1) of the Federal Deposit Insurance Act (12 U.S.C. 1821(a)(1)(F) ).
12 C.F.R. §745.1