(1) A person using captive-reared game birds for which a commission-approved hunting season exists for dog training or a field trial shall retain proof of purchase that the birds were legally obtained from a licensed game bird farm as established in 87-4-903, MCA.

(2) Proof shall be in the form of a receipt or, alternatively, the birds may be banded with a leg band approved by the department. The receipt must state the following:

(a) name of the species;

(b) quantity of birds;

(c) sex of birds (if known);

(d) name of the game bird farm; and

(e) name of the purchaser and date of purchase.