Tex. Rev. Civ. Stat. art. 842
All bonds issued under and by virtue of the Federal Farm Loan Act, approved by the President of the United States, July 17, 1916, and all consolidated bonds, bonds, debentures, and other similar obligations issued by virtue of the Farm Credit Act of 1971, P.L. 92-181, approved by the President of the United States, December 10, 1971, and as thereafter amended, shall be a lawful investment for all fiduciary and trust funds in this State, and may be accepted as security for all public deposits where deposits of bonds or mortgages are authorized by law to be accepted. Such bonds shall be lawful investments for all funds which may be lawfully invested by guardians, administrators, trustees and receivers, for saving departments of banks incorporated under the laws of Texas, for banks, savings banks and trust companies chartered under the laws of Texas, and for all insurance companies chartered or transacting business under the laws of Texas, where investments are required or permitted by the laws of this State.
Tex. Rev. Civ. Stat. Ann. art. 842