Tex. Finance Code § 347.308: FEE FOR TRANSFER OF OBLIGOR ON DEBT.

A creditor may:

(1) agree to accept a subsequent consumer as an obligor under an existing obligation; and

(2) charge a transfer fee that does not exceed the greater of:

(A) $50; or

(B) one-half of one percent of the unpaid balance of the credit transaction computed under Section 347.155.

Acts 1997, 75th Leg., ch. 1008, Sec. 1, eff. Sept. 1, 1997.