(a) A temporary license to act as a salesman will be issued only to an applicant who has valid employment as such salesman with a duly licensed broker.

(b) A salesman's license or temporary salesman's license shall become inoperative upon the termination of such salesman's employment by a licensed broker, or upon the suspension or revocation of the employing broker's license. However, such salesman's license may be transferred to another licensed broker upon the holder's request. Such request for transfer must be accompanied by an application, as prescribed by the department, in writing executed by the new broker and the appropriate fee.

(c) No salesman shall associate himself with more than one broker concurrently.