coverage of such child under such group health plan shall continue until the earlier of the following: (1) A submission of a notification, in a manner specified by the Secretary, by both such individuals to such plan electing to discontinue such primary coverage for such child. (2) The loss of coverage under such plan of such individual who is enrolled under such plan. (b) Election of primary coverage with respect to single coverage or plan The provisions of subsection (a) shall not apply if both individuals described in such paragraph submit notifications for a child with respect to multiple policies of health insurance coverage or group health plans. . (2) Technical amendment The table of sections for such subchapter is amended by adding at the end the following new item: Sec. 9826. Parental choice of primary health insurance coverage or primary coverage under a group health plan for certain dependent children. . (d) Effective date The amendments made by this section shall apply with respect to children born on or after January 1, 2022.