16 Tex. Admin. Code § 94.73
A person may not use the titles Registered Professional Appraiser, Registered Texas Assessor/Collector, or Registered Texas Collector unless he is an active and certified registrant with the department and performing official duties as a property tax appraiser, assessor/collector, or collector.
Source Note:The provisions of this §94.73 adopted to be effective January 18, 2010, 35 TexReg 367.