Special dependency test in case of divorced parents, etc.
1 rule
If—
(A) section 152(e) applies to any child with respect to any calendar year, and
(B) such child is under the age of 13 or is physically or mentally incapable of caring for himself,
in the case of any taxable year beginning in such calendar year, such child shall be treated as a qualifying individual described in subparagraph (A) or (B) of subsection (b)(1) (whichever is appropriate) with respect to the custodial parent (as defined in section 152(e)(4)(A)), and shall not be treated as a qualifying individual with respect to the noncustodial parent.