PROOF OF PUBLICATION OR POSTING.
Tex. GOV'T Code § 313.004.
in effect(a) If publication of notice in a newspaper is required by law, proof of publication shall be made by the affidavit of the publisher accompanied by a printed copy of the notice as published.
(b) Proof of posting may be made by the return of the sheriff or constable or by the affidavit of a credible person made on a copy of the posted notice showing the fact of the posting.
