The Commissioner shall make all necessary investigations pertinent to the enforcement of this chapter.
The Commissioner shall have free access during operating hours to any establishment in which animal remedies are manufactured, processed, packed, sold or offered for sale, to inspect such premises and to determine whether the provisions of this chapter are being violated.
The Commissioner may secure samples or specimens of any animal remedy after paying or offering to pay for them, and he shall have an examination or analysis made of such sample to determine whether the provisions of this chapter are being violated. Any person who hinders or obstructs in any way the Commissioner in the performance of his official duties is guilty of a Class 3 misdemeanor.
Va. Code § 3.2-4909