Tex. Prop. Code § 53.057
"NOTICE OF CLAIM FOR UNPAID LABOR OR MATERIALS
"WARNING: This notice is provided to preserve lien rights.
"Owner's property may be subject to a lien if sufficient funds are not withheld from future payments to the original contractor to cover this debt.
(a-1) The claimant must send the notice of claim for unpaid retainage to the owner or reputed owner and the original contractor not later than the earlier of:
(a-2) The notice must be in substantially the following form:
"Date:________________
"Project description and/or address: ________________
"Claimant's name: ________________
"Type of labor or materials provided: ________________
"Original contractor's name: ________________
"Party with whom claimant contracted if different from original contractor: ________________
"Total retainage unpaid: ________________
"________________ (Claimant's contact person)
"________________ (Claimant's address)"
(f) A claimant has a lien on, and the owner is personally liable to the claimant for, the reserved funds under Subchapter E if the claimant:
(1) gives notice in accordance with this section and:
Acts 1983, 68th Leg., p. 3541, ch. 576, Sec. 1, eff. Jan. 1, 1984.
Amended by Acts 1989, 71st Leg., ch. 1138, Sec. 9, eff. Sept. 1, 1989;
Acts 1997, 75th Leg., ch. 526, Sec. 9, eff. Sept. 1, 1997;
Acts 1999, 76th Leg., ch. 889, Sec. 3, eff. Sept. 1, 1999.
Acts 2011, 82nd Leg., R.S., Ch. 499 (H.B. 1390), Sec. 2, eff. September 1, 2011.
Acts 2021, 87th Leg., R.S., Ch. 690 (H.B. 2237), Sec. 12, eff. January 1, 2022.
Acts 2021, 87th Leg., R.S., Ch. 690 (H.B. 2237), Sec. 13, eff. January 1, 2022.
Acts 2021, 87th Leg., R.S., Ch. 690 (H.B. 2237), Sec. 36(5), eff. January 1, 2022.