Tex. Occ. Code § 1301.552
A political subdivision that requires a responsible master plumber or an agent of a responsible master plumber to obtain a permit before performing plumbing in the political subdivision shall verify through the board's Internet website, or by contacting the board by telephone, that the responsible master plumber has on file with the board a certificate of insurance. The certificate of insurance must:
Added by Acts 2001, 77th Leg., ch. 1421, Sec. 3, eff. June 1, 2003.
Acts 2009, 81st Leg., R.S., Ch. 1380 (S.B. 1354), Sec. 8, eff. September 1, 2009.
Acts 2011, 82nd Leg., R.S., Ch. 526 (H.B. 2376), Sec. 5, eff. September 1, 2011.