Determination of applicable percentage with respect to increases in qualified basis after 1st year of credit period
(A) In general In the case of any building which was a qualified low-income building as of the close of the 1st year of the credit period, if— (i) as of the close of any taxable year in the compliance period (after the 1st year of the credit period) the qualified basis of such building exceeds (ii) the qualified basis of such building as of the close of the 1st year of the credit period, the applicable percentage which shall apply under subsection (a) for the taxable year to such excess shall be the percentage equal to ⅔ of the applicable percentage which (after the application of subsection (h)) would but for this paragraph apply to such basis.
(B) 1st year computation applies A rule similar to the rule of paragraph (2)(A) shall apply to any increase in qualified basis to which subparagraph (A) applies for the 1st year of such increase.