A restricted license issued pursuant to Section 10156.5 as the commissioner in his or her discretion finds advisable in the public interest may be restricted:
(a) By term.
(b) To employment by a particular real estate broker, if a salesperson.
(c) By conditions to be observed in the exercise of the privileges granted.
(d) If a salesperson licensee or applicant has not complied with Section 10153. 4 within 18 months after issuance of the license.