minimum threshold amount
(3) Impairment-related work expenses (A) In general For purposes of paragraph (2)(A) and except as provided in subparagraph (C), the amount of an individual’s impairment-related work expenses for a month is deemed to be the minimum threshold amount. (B) Minimum threshold amount In this paragraph, the term “minimum threshold amount” means an amount, to be determined by the Commissioner, which shall not exceed the amount sufficient to demonstrate that an individual has rendered services in a month, as determined by the Commissioner under section 422(c)(4)(A) of this title . The Commissioner may test multiple minimum threshold amounts. (C) Exception for itemized impairment-related work expenses (i) In general Notwithstanding subparagraph (A), in any case in which the amount of such an individual’s itemized impairment-related work expenses (as defined in clause (ii)) for a month is greater than the minimum threshold amount, the amount of the individual’s impairment-related work expenses for the month shall be equal to the amount of the individual’s itemized impairment-related work expenses (as so defined) for the month. (ii) Definition In this subparagraph, the term “itemized impairment-related work expenses” means the amount excluded under section 423(d)(4)(A) of this title from an individual’s earnings for a month in determining whether an individual is able to engage in substantial gainful activity by reason of such earnings in such month, except that such amount does not include the cost to the individual of any item or service for which the individual does not provide to the Commissioner a satisfactory itemized accounting. (D) Limitation Notwithstanding the other provisions of this paragraph, for purposes of paragraph (2)(A), the amount of an individual’s impairment-related work expenses for a month shall not exceed the amount of earnings derived from services, prescribed by the Commissioner under regulations issued pursuant to section 423(d)(4)(A) of this title , sufficient to demonstrate an individual’s ability to engage in substantial gainful activity.