22 U.S. Code § 4061. Payments for future benefits
(a) Statutes deemed to authorize appropriations to Fund to finance unfunded liabilityAny statute which authorizes—
new or liberalized benefits payable from the Fund under this part, including annuity increases other than under section 4065 of this title;
is deemed to authorize appropriations to the Fund to finance the unfunded liability created by that statute, in 30 equal annual installments with interest computed at the rate used in the then most recent valuation of the System and with the first payment thereof due as of the end of the fiscal year in which each new or liberalized benefit, extension of benefits, or increase in salary is effective.
(b) Authorization of appropriations to Fund
1986—Subsec. (a)(1). Pub. L. 99–335 inserted “under this part” after “payable from the Fund”.