737.18.37. The paid-up capital of a corporation for a particular taxation year of the corporation that ends in a calendar year is equal,(a) where the corporation is not associated with any other corporation in the particular year, to the corporation’s paid-up capital determined in accordance with section 737.18.38 either for the taxation year that precedes the particular year or, if the corporation is in its first fiscal period, on the basis of its financial statements prepared at the beginning of that fiscal period in accordance with generally accepted accounting principles or, if such financial statements have not been prepared, or have not been prepared in accordance with generally accepted accounting principles, on the basis of such financial statements that would be prepared in accordance with generally accepted accounting principles; and
(b) where the corporation is associated with one or more other corporations in the particular year, to the aggregate of all amounts each of which is, for the corporation or each of the other corporations, its paid-up capital determined in accordance with section 737.18.38 either for its last taxation year that ends in the preceding calendar year or, if such a corporation is in its first fiscal period, on the basis of its financial statements prepared at the beginning of that fiscal period in accordance with generally accepted accounting principles or, if such financial statements have not been prepared, or have not been prepared in accordance with generally accepted accounting principles, on the basis of such financial statements that would be prepared in accordance with generally accepted accounting principles.