Tex. Pen. Code § 37.06
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
An information or indictment for perjury under Section 37.02 or aggravated perjury under Section 37.03 that alleges that the declarant has made statements under oath, both of which cannot be true, need not allege which statement is false. At the trial the prosecution need not prove which statement is false.
Tex. Pen. Code § 37.06