42 C.F.R. § 403.253
(a) General provisions.
(1) Except as provided for in paragraph (a)(2) of this section, calculate the amount of “benefits” by—
(i) Adding the present values on the initial calculation date of—
(2) Total policy reserve: Federal provisions.
(i) “Total policy reserve” means the sum of—
(ii) Additional reserve means the amount calculated on a net level reserve basis, using appropriate values to account for lapse, mortality, morbidity, and interest, that on the valuation date represents—
(iv) Reserve for future contingent benefits means the amounts, not elsewhere included, that provide for the extension of benefits after insurance coverage terminates. These benefits—