(a) Except for proceedings conducted pursuant to the authority of Texas Occupations Code Annotated §301.455 (Temporary Suspensions) or unless it would jeopardize the investigation, prior to commencing disciplinary proceedings under §213.15 of this title (relating to Commencement of Disciplinary Proceedings), the staff shall serve the respondent with written notice in accordance with Texas Government Code §2001.054(c).(b) Such notice shall contain a statement of the facts or conduct alleged to warrant an adverse licensure action. The notice shall invite the respondent to show compliance with all requirements of the law for retention of the license.(c) Respondent shall file a written response within 20 days after service of the notice specified in subsection (a) of this section.