(1) Public works contracts performed during the calendar year showing the 1% tax credit withheld during the current tax year must be filed with the department as required by 15-50-301, MCA. For purposes of this filing, the department will accept the following:
(a) Schedule C, attached to the individual income tax return, as required by 15-30-142, MCA;
(b) Schedule C attached to the corporation license tax return, as required by 15-31-111, MCA; and
(c) personal property refund request form PC-4 and, if necessary, an additional schedule form PC-3, as required by 15-50-207, MCA.
(2) Failure to provide these schedules will result in a fine as stated in 15-50-301, MCA.