Death

any spouse of such individual (determined at the time of such death) shall be treated as an eligible individual for purposes of this section and section 7527 for a period of 24 months beginning with the date of such death, except that the only qualifying family members who may be taken into account with respect to such spouse are those individuals who were qualifying family members immediately before such death, and

any individual who was a qualifying family member of the decedent immediately before such death (or, in the case of an individual to whom paragraph (4) applies, the taxpayer to whom the deduction under section 151 is allowable) shall be treated as an eligible individual for purposes of this section and section 7527 for a period of 24 months beginning with the date of such death, except that in determining the amount of such credit only such qualifying family member may be taken into account.