A licensee against whom an investigation is pending or an accusation has been filed pursuant to Section 11503 of the Government Code may petition the commissioner to voluntarily surrender his or her license. The surrender of a license shall become effective upon acceptance by the commissioner and thereafter, a surrendered licensee may be relicensed only by petitioning for reinstatement pursuant to Section 11522 of the Government Code. When deciding a petition for reinstatement, the commissioner may consider all relevant evidence, including affidavits.