After a hearing the board may deny a license or a company registration unless the applicant makes a showing satisfactory to the board that the applicant, if an individual, has not, or if the applicant is a company applying for a company registration, that its manager and each of its officers, directors, employees, members and partners have not:

1. (a) Committed any act or crime constituting grounds for denial of licensure under Section 480.
2. (b) While unlicensed or not registered, knowingly committed or aided and abetted the commission of any act for which a license or company registration is required under this chapter.

3. (c) While acting as a partner, officer, managing employee, or qualifying manager of a firm, partnership, or corporation, had knowledge of and participated in the commission of any act resulting in the suspension or revocation of a license or company registration.

   When a hearing is held under this section it shall be conducted in accordance with Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code, and the board shall have all of the powers granted therein.