776.6. For the purposes of this Part,(a) “scientific research and experimental development tax credit” of an individual other than a trust for a taxation year means the aggregate of the amounts each of which is equal to 25% of the amount designated by a corporation under section 776.10 in respect of a qualifying security acquired in the year by the individual where the individual is the first holder thereof; however, in the case of an individual contemplated in the second paragraph of section 22, 25 or 26, that aggregate shall be multiplied by the proportion contemplated in the second paragraph of those sections;
(b) “unused scientific research and experimental development tax credit” of an individual other than a trust for a taxation year means an amount equal to the amount by which his scientific research and experimental development tax credit for the year exceeds his tax otherwise payable for the year under this Part or, where Book V.1 of this Part applies to the individual for the year, the amount by which his tax otherwise payable for the year under this Part exceeds the amount of his minimum tax determined for the year under section 776.46, as the case may be.