430. An amount shall not be included in the total for B in the formula set out in section 428 for a particular reporting period of a person to the extent that the amount was claimed or included as an input tax refund or deduction in the total for a preceding reporting period of the person.
1991, c. 67, s. 430; 1994, c. 22, s. 600; 1997, c. 85, s. 685.