1. Protect the agricultural, horticultural, and other interests of the Commonwealth from plant pests; and
2. Promptly credit all moneys collected by him as repayment to the fund in the state treasury to which such moneys are owed.
B. The Commissioner may enter into reciprocal agreements with officers of other states so that nursery stock may be sold or delivered in the Commonwealth by out-of-state nurserymen or dealers without the payment of a Virginia registration fee, provided that like privileges are granted to Virginia nurserymen or dealers by such other states.