22 Tex. Admin. Code § 363.22
(a) An applicant that fails any single part of a multiple part examination may retake the part or parts that were failed without having to retake the entire examination.
(b) An applicant who fails any part or parts of an examination shall complete a training period before the applicant may retake the examination. The length of the required training period is determined by the number of times the applicant has failed as follows:
Source Note:The provisions of this §363.22 adopted to be effective September 1, 2017, 42 TexReg 3771; amended to be effective February 3, 2019, 44 TexReg 477.