sheltered workshop

(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.

(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.

(5) 1 Special rules for support

For purposes of this subsection—

(A) payments to a spouse which are includible in the gross income of such spouse under section 71 or 682 shall not be treated as a payment by the payor spouse for the support of any dependent, and

(B) 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.

(1) In general

Notwithstanding subsection (c)(1)(B), (c)(4), or (d)(1)(C), if—

(A) a child receives over one-half of the child's support during the calendar year from the child's parents—

(i) who are divorced or legally separated under a decree of divorce or separate maintenance,

(ii) who are separated under a written separation agreement, or

(iii) who live apart at all times during the last 6 months of the calendar year, and—

(B) such child is in the custody of 1 or both of the child's parents for more than one-half of the calendar year, such child shall be treated as being the qualifying child or qualifying relative of the noncustodial parent for a calendar year if the requirements described in paragraph (2) or (3) are met.

(2) Exception where custodial parent releases claim to exemption for the year

For purposes of paragraph (1), the requirements described in this paragraph are met with respect to any calendar year if—

(A) the custodial parent signs a written declaration (in such manner and form as the Secretary may by regulations prescribe) that such custodial parent will not claim such child as a dependent for any taxable year beginning in such calendar year, and

(B) the noncustodial parent attaches such written declaration to the noncustodial parent's return for the taxable year beginning during such calendar year.

(3) Exception for certain pre-1985 instruments

(A) In general

For purposes of paragraph (1), the requirements described in this paragraph are met with respect to any calendar year if—

(i) a qualified pre-1985 instrument between the parents applicable to the taxable year beginning in such calendar year provides that the noncustodial parent shall be entitled to any deduction allowable under section 151 for such child, and

(ii) the noncustodial parent provides at least $600 for the support of such child during such calendar year.

For purposes of this subparagraph, amounts expended for the support of a child or children shall be treated as received from the noncustodial parent to the extent that such parent provided amounts for such support.

(B) Qualified pre-1985 instrument

(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.

(5) Special rules for support

(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

(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.

(5) Special rules for support

For purposes of this subsection—

(A) payments to a spouse which are includible in the gross income of such spouse under section 71 or 682 shall not be treated as a payment by the payor spouse for the support of any dependent, and

(B) 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.

(1) In general

Notwithstanding subsection (c)(1)(B), (c)(4), or (d)(1)(C), if—

(A) a child receives over one-half of the child's support during the calendar year from the child's parents—

(i) who are divorced or legally separated under a decree of divorce or separate maintenance,

(ii) who are separated under a written separation agreement, or

(iii) who live apart at all times during the last 6 months of the calendar year, and—

(B) such child is in the custody of 1 or both of the child's parents for more than one-half of the calendar year, such child shall be treated as being the qualifying child or qualifying relative of the noncustodial parent for a calendar year if the requirements described in paragraph (2) or (3) are met.

(2) Exception where custodial parent releases claim to exemption for the year

For purposes of paragraph (1), the requirements described in this paragraph are met with respect to any calendar year if—

(A) the custodial parent signs a written declaration (in such manner and form as the Secretary may by regulations prescribe) that such custodial parent will not claim such child as a dependent for any taxable year beginning in such calendar year, and

(B) the noncustodial parent attaches such written declaration to the noncustodial parent's return for the taxable year beginning during such calendar year.

(3) Exception for certain pre-1985 instruments

(A) In general

For purposes of paragraph (1), the requirements described in this paragraph are met with respect to any calendar year if—

(i) a qualified pre-1985 instrument between the parents applicable to the taxable year beginning in such calendar year provides that the noncustodial parent shall be entitled to any deduction allowable under section 151 for such child, and

(ii) the noncustodial parent provides at least $600 for the support of such child during such calendar year.

For purposes of this subparagraph, amounts expended for the support of a child or children shall be treated as received from the noncustodial parent to the extent that such parent provided amounts for such support.

(B) Qualified pre-1985 instrument