Sec. 53.232. TO WHOM NOTICE GIVEN; MANNER. The lien claimant must send written notice of his claim by registered or certified mail to:

(1) the officials of the state, county, town, or municipality whose duty it is to pay the contractor; and

(2) the contractor at the contractor's last known business or residence address.

Acts 1983, 68th Leg., p. 3554, ch. 576, Sec. 1, eff. Jan. 1, 1984.