25 Tex. Admin. Code § 97.155
The format of the yellow fever vaccination stamps will be according to federal guidelines Division of Quarantine Circular No. 106, which is adopted by reference in §97.153 of this title (relating to Criteria for Issuing Yellow Fever Stamps to Physicians).
Source Note:The provisions of this §97.155 adopted to be effective March 13, 1986, 11 TexReg 1045; amended to be effective September 26, 2002, 27 TexReg 8932.