If a licensee or applicant for licensure notifies the registrar that he or she intends to contest a citation issued under Section 7099, the registrar shall afford an opportunity for a hearing. The registrar shall thereafter issue a decision, based on findings of fact, affirming, modifying, or vacating the citation or penalty, or directing other appropriate relief. The proceedings under this section shall be conducted in accordance with the provisions of Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code, and the registrar shall have all the powers granted therein.