In lieu of computation according to the table in § 58-26-37 , the insurer at its option may compute all of the reserves required by § 58-26-36 on a monthly or more frequent prorata basis. Source: SL 1966, ch 111 , ch 5, § 5 (3).
Unearned premium reserve--Computation on a prorata basis
SDCL § 58-26-38 — under VALUATION OF ASSETS, LIABILITIES AND RESERVES.
SDCL § 58-26-38