(

a) Subject to subdivision (b), commencing four months after the initial federal approval is obtained pursuant to the waiver described in subdivision (b), the board shall expand eligibility under this part to uninsured parents of, and as defined by the board, adults responsible for, children enrolled to receive coverage under this part or who are enrolled to receive the full scope of Medi-Cal services with no share of cost and whose income does not exceed percent of the federal poverty level, before applying the income disregard provided for in subparagraph (

B) of paragraph (6) of subdivision (

a) of

Section 12693.70. (b)

(1) The board shall implement a program to provide coverage under this part to any uninsured parent or responsible adult who is eligible pursuant to subdivision (a), pursuant to the waiver identified in paragraph (2).

(2) The program shall be implemented only in accordance with a State Child Health Insurance Program waiver pursuant to

Section 1397gg(e)(2)(

A) of Title of the United States Code, to provide coverage to uninsured parents and responsible adults, and shall be subject to the terms, conditions, and duration of the waiver. The services shall be provided under the program only if the waiver is approved by the federal Centers for Medicare and Medicaid Services, and, except as provided under the terms and conditions of the waiver, only to the extent that federal financial participation is available and funds are appropriated specifically for this purpose.