(2) The department shall include on each Montana state individual income tax return form a clear and conspicuous provision by which the taxpayer may indicate a contribution to the agriculture literacy in Montana schools program. The contribution may be made from the amount to be refunded to the taxpayer or, if no refund is due, must be in addition to the amount of tax required to be paid. The provision must be in substantially the following form: Check the appropriate blank if you wish to contribute ___ $5, ___ $10, ___ $20, or ___ (specify an amount) of your tax refund, or add such amount to your tax payment, to fund the agriculture literacy in Montana schools program. If a joint return, check the appropriate blank if your spouse wishes to designate ___ $5, ___ $10, ___ $20, or ___ (specify an amount) for the same purpose.