census tracts under paragraph (1)(B), and a list of qualified census tracts under paragraph (2) for each year. (f) Other definitions For purposes of this section— (1) Qualified residence The term qualified residence means a residence that consists of— (A) a single-family home containing 4 or fewer residential units, (B) a condominium, or (C) a house or an apartment owned by a cooperative housing corporation (as defined in section 216(b)). (2) Affordable sale (A) In general (i) In general The term affordable sale means a sale to a qualified homeowner of a residence that the neighborhood homes credit agency certifies as meeting the standards promulgated under subsection (h)(1)(D) for a price that does not exceed— (I) in the case of any residence not described in subclause (II), (III), or (IV), the amount equal to the product of 4 multiplied by the applicable area median gross income, (II) in the case of a single-family home containing two residential units, 125 percent of the amount described in subclause (I), (III) in the case of a single-family home containing three residential units, 150 percent of the amount described in subclause (I), or (IV) in the case of a single-family home containing four residential units, 175 percent of the amount described in subclause (I). (ii) Related persons (I) In general A sale between related persons shall not be treated as an affordable sale. (II) Definition For purposes of this section, a person (in this clause referred to as the related person ) is related to any person if the related person bears a relationship to such person specified in section 267(b) or 707(b)(1), or the related person and such person are engaged in trades or businesses under common control (within the meaning of subsections (a) and (b) of section 52). For purposes of the preceding sentence, in applying section 267(b) or 707(b)(1), 10 percent shall be substituted for 50 percent . (3) Applicable area The term applicable area means— (A) in the case of a metropolitan census tract, the metropolitan area in