If any witness subpoenaed to appear on behalf of the board shall testify in a hearing before a hearing officer on complaints against a licensee as to any violation in which the witness, as a licensee or an applicant, has participated, such testimony shall not be used against him nor shall the board take any administrative action against him for the offense to which he testifies.
3 Va. Admin. Code § 5-10-190
Statutory Authority
§§ 4.1-103 and 4.1-111 of the Code of Virginia.