A premises registration holder who is not a California-licensed veterinarian pursuant to Section 4825 shall not interfere with, control, or otherwise direct the professional judgment of any California licensed veterinarian or registered veterinary technician. The board may require any information, including, but not limited to, employment contracts between the premises registration holder and a California-licensed veterinarian or registered veterinary technician, the board deems is reasonably necessary for the enforcement of this section.