16 Va. Admin. Code § 25-40-60
2. Negligence or incompetence in the practice of the profession.
A Certificate of Competency shall lapse if an individual has not been employed in the trade during the last five years. In the event of revocation or lapse of certification, examination is necessary to obtain future certification.
The agent or board of the adopting jurisdiction may revoke a Certificate of Competency for either of the following:
§ 15.1-11.6 of the Code of Virginia.
Derived from VR425-01-64 § 6, eff. January 17, 1990.