The court of criminal appeals may ascertain, on affidavit or otherwise, the matters of fact that are necessary to the exercise of its jurisdiction.
Tex. Gov't Code § 22.103
ASCERTAINMENT OF FACTS
Acts 1985, 69th Leg., ch. 480, Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.