The official seal and signature of the officer taking the deposition shall be attached to the certificate authenticating the deposition.
Tex. Code Crim. Proc. art. 39.08
AUTHENTICATING THE DEPOSITION
Acts 1965, 59th Leg., vol. 2, p. 317, ch. 722.
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.