13 Tex. Admin. Code § 28.6
A person may conduct a survey for the sole purpose of pure historical or archeological research on shipwrecks and not for review and compliance clearance. Such pure research surveys must be conducted under a Texas Antiquities Permit issued to a qualified archeologist by the commission. The minimum standards for conducting such a survey may vary from those set forth in §28.5(e) of this chapter.
Source Note:The provisions of this §28.6 adopted to be effective March 18, 2003, 28 TexReg 2316.