Okla. Stat. tit. 36, § 36-1606: Required capital investments

After the effective date of this act, until an insurer

authorized to transact business shall have assets of One Million

Dollars ($1,000,000.00) or in the case of insurers authorized to

transact business prior to the effective date of this act shall have

assets in an amount equal to three (3) times the minimum paid-in

capital that was required of a like domestic stock insurer on

January 1, 1979, it shall invest and maintain its funds only in cash

and the securities described in the following sections of this

article: Section 1607 (Securities of or guaranteed by the United

States); Section 1608 (State and Canadian public obligations);

Section 1609 (County, municipal and district obligations); Section

1610 (Public improvement bonds); and Section 1620 (Deposits: Banks,

Savings and Loan).