1029.8.134. If, for a taxation year, a trust files with the Minister an application for the education savings incentive, in the manner described in the education savings incentive agreement, within the time provided for in subparagraph ii of subparagraph a of the second paragraph of section 1029.8.128, in respect of a beneficiary under more than one registered education savings plan, the amount that the trust may receive for the year on account of an education savings incentive under that section in respect of that beneficiary may not exceed the aggregate of(a) if the trust would be entitled to receive, but for this section, an amount deemed to be an overpayment of its tax payable on account of the increase amount, the amount by which the portion of the maximum amount of the education savings incentive for the year in respect of the beneficiary that is attributable, if applicable, to the increase amount, exceeds any amount that another trust having the same beneficiary has received, for the year and in respect of the beneficiary, and that is deemed to be an overpayment of tax payable on account of the increase amount; and
(b) the amount by which the portion of the maximum amount of the education savings incentive for the year in respect of the beneficiary that would have been received in respect of the beneficiary by the trust if the increase amount had been nil, exceeds any portion of the maximum amount of the education savings incentive for the year in respect of the beneficiary that would have been received in respect of the beneficiary by any other trust having the same beneficiary if the increase amount had been nil.