Texas Insurance Code - INS § 228.154. Certified Capital not Invested in Qualified Investments

(1) cash deposited with a federally insured financial institution;

(2) certificates of deposit in a federally insured financial institution;

(3) investment securities that are:

(4) debt instruments rated at least “A” or the equivalent by a nationally recognized credit rating organization, or issued by, or guaranteed with respect to payment by, an entity whose unsecured indebtedness is rated at least “A” or the equivalent by a nationally recognized credit rating organization, and which indebtedness is not subordinated to other unsecured indebtedness of the issuer or the guarantor;

(5) obligations of this state or a municipality or political subdivision of this state; or

(6) any other investment approved in advance in writing by the comptroller.