1 year of continuous eligibility for children .—
The State plan (or waiver of such State plan) shall provide that an individual who is under the age of 19 and who is determined to be eligible for benefits under a State plan (or waiver of such plan) approved under this subchapter under subsection (a)(10)(A) shall remain eligible for such benefits until the earlier of—
(A) the end of the 12-month period beginning on the date of such determination;
(B) the time that such individual attains the age of 19; or
(C) the date that such individual ceases to be a resident of such State.