Section 831.704 - Annuities including credit for service with a nonappropriated fund instrumentality(a) An annuity that includes credit for service with a nonappropriated fund instrumentality performed after December 31, 1965, based on an election under 5 CFR part 847 , subpart D, is computed under 5 CFR part 847 , subpart F.(b) An annuity that includes credit for service with a nonappropriated fund instrumentality based on an election under 5 CFR part 847 , subpart H, is computed under 5 CFR part 847 , subpart I.68 FR 2178, Jan. 16, 2003