Qualifying relative

For purposes of paragraph (1)(A), an individual bears a relationship to the taxpayer described in this paragraph if the individual is any of the following with respect to the taxpayer:

(A) A child or a descendant of a child.

(B) A brother, sister, stepbrother, or stepsister.

(C) The father or mother, or an ancestor of either.

(D) A stepfather or stepmother.

(E) A son or daughter of a brother or sister of the taxpayer.

(F) A brother or sister of the father or mother of the taxpayer.

(G) A son-in-law, daughter-in-law, father-in-law, mother-in-law, brother-in-law, or sister-in-law.

(H) An individual (other than an individual who at any time during the taxable year was the spouse, determined without regard to section 7703, of the taxpayer) who, for the taxable year of the taxpayer, has the same principal place of abode as the taxpayer and is a member of the taxpayer’s household.

For purposes of paragraph (1)(C), over one-half of the support of an individual for a calendar year shall be treated as received from the taxpayer if—

(A) no one person contributed over one-half of such support,

(B) over one-half of such support was received from 2 or more persons each of whom, but for the fact that any such person alone did not contribute over one-half of such support, would have been entitled to claim such individual as a dependent for a taxable year beginning in such calendar year,

(C) the taxpayer contributed over 10 percent of such support, and

(D) each person described in subparagraph (B) (other than the taxpayer) who contributed over 10 percent of such support files a written declaration (in such manner and form as the Secretary may by regulations prescribe) that such person will not claim such individual as a dependent for any taxable year beginning in such calendar year.

(A) In general For purposes of paragraph (1)(B), the gross income of an individual who is permanently and totally disabled (as defined in section 22(e)(3)) at any time during the taxable year shall not include income attributable to services performed by the individual at a sheltered workshop if— (i) the availability of medical care at such workshop is the principal reason for the individual’s presence there, and (ii) the income arises solely from activities at such workshop which are incident to such medical care.

(B) Sheltered workshop defined For purposes of subparagraph (A), the term “sheltered workshop” means a school— (i) which provides special instruction or training designed to alleviate the disability of the individual, and (ii) which is operated by an organization described in section 501(c)(3) and exempt from tax under section 501(a), or by a State, a possession of the United States, any political subdivision of any of the foregoing, the United States, or the District of Columbia.

(A) In general For purposes of this subsection— (i) payments to a spouse of alimony or separate maintenance payments shall not be treated as a payment by the payor spouse for the support of any dependent, and (ii) in the case of the remarriage of a parent, support of a child received from the parent’s spouse shall be treated as received from the parent.

(B) Alimony or separate maintenance payment For purposes of subparagraph (A), the term “alimony or separate maintenance payment” means any payment in cash if— (i) such payment is received by (or on behalf of) a spouse under a divorce or separation instrument (as defined in section 121(d)(3)(C)), (ii) in the case of an individual legally separated from the individual’s spouse under a decree of divorce or of separate maintenance, the payee spouse and the payor spouse are not members of the same household at the time such payment is made, and (iii) there is no liability to make any such payment for any period after the death of the payee spouse and there is no liability to make any payment (in cash or property) as a substitute for such payments after the death of the payee spouse.