Tex. Civil Practice and Remedies Code § 63.003: EFFECT OF SERVICE.

(a) After service of a writ of garnishment, the garnishee may not deliver any effects or pay any debt to the defendant. If the garnishee is a corporation or joint-stock company, the garnishee may not permit or recognize a sale or transfer of shares or an interest alleged to be owned by the defendant.

(b) A payment, delivery, sale, or transfer made in violation of Subsection (a) is void as to the amount of the debt, effects, shares, or interest necessary to satisfy the plaintiff's demand.

Acts 1985, 69th Leg., ch. 959, Sec. 1, eff. Sept. 1, 1985.