(1) No person, firm, or corporation shall import into the state of Montana or possess, sell, barter, exchange, or give away any pseudorabies vaccine without express written permission from the state veterinarian.

(2) No person, firm, or corporation shall manufacture or produce within the state of Montana any pseudorabies vaccine without written permission of the state veterinarian.

(3) The use of pseudorabies vaccine in Montana is prohibited, except when used under the official supervision of a licensed accredited veterinarian by persons approved by the state veterinarian with:

(a) written permission of the department; and

(b) within use patterns prescribed by the department.

(4) Any animal vaccinated with a pseudorabies vaccine shall be properly and permanently identified and disposed of as directed by the state veterinarian. Such vaccinated animals may be subject to follow-up differentiable testing as the state veterinarian may direct using official tests capable of recognizing and distinguishing between vaccine virus and field strain exposed and infected animals.