1. (a) Except as provided in subsection (d) of this section, a certificate of registration is valid for one year unless and until the department implements a two-year period of validity.
2. (b) A modification to, or an early renewal of a certificate of registration, does not affect the date of expiration.
3. (c) An expired registration provides the registrant with no authority to manufacture, distribute, prescribe, possess, analyze, dispense, or conduct research with a controlled substance.
4. (d) Registrations of physicians who hold a license to practice medicine issued by the Texas Medical Board under Texas Occupations Code, Chapter 156 expire on the date the medical license expires.

Source Note:The provisions of this §13.25 adopted to be effective May 9, 2013, 38 TexReg 2770; amended to be effective September 7, 2014, 39 TexReg 6873.