Cal. Health & Safety Code § 100855

Upon the denial of any application for ELAP certification or NELAP accreditation, or the revocation or suspension of ELAP certification or NELAP accreditation, the department shall immediately notify the applicant or organization by certified mail, return receipt requested, of the action and the reasons for the action. Within 20 calendar days of receipt, the applicant or organization may present the department with a written petition for a hearing. Upon receipt in proper form by the department, the petition shall be set for hearing. The proceedings shall be conducted in accordance with Section 100171 and the department has all the powers granted in that section.