710:50-15-56 Interest on U.S. Government obligations

(a) An "obligation of the United States" is defined as a credit instrument characterized by: (1) Written document; (2) The bearing of interest; (3) A binding promise of the United States to pay specified sums at specified dates; and (4) Issued pursuant to specific congressional authorization which also pledges the full faith and credit of the United States in support of the promise to pay. (b) If the interest on a U.S. Government obligation is paid through a regulated investment company the taxpayer requesting the exclusion must furnish a detailed schedule of the obligations that the fund has invested in and the amount or percentage of the interest from each investment. [ See: 68 O.S. §2358(A)(2)]