(1) A blind person wishing to claim the vending facility preference must complete the determination form provided by the state procurement bureau. The form must be completed by an ophthalmologist, physician skilled in diseases of the eye or a state of Montana, department of public health and human services, visual services counselor.

(2) A determination form shall be submitted with each individual bid. The determination form shall be valid for six months. At the end of the six month period, a new determination form will be required or submitted with bids. A new determination form will be required for renewal of a contract if the contract renewal date exceeds six months from the completion date of the original determination form.