(a) Except as provided by Subsection (b), the department may not require a child who is provided health benefits plan coverage under § 35.0031 and who meets the income eligibility requirement of the medical assistance program under Chapter 32, Human Resources Code, to pay a premium, deductible, coinsurance, or other cost-sharing payment as a condition of health benefits plan coverage under this chapter.
(b) The department may require a child described by Subsection (a) to pay a copayment as a condition of health benefits plan coverage under § 35.0031 that is equal to any copayment required under the state child health plan established by this state to implement Title XXI of the Social Security Act (42 U.S.C. § 1397aa et seq.), as amended.

(c) The department may require a child who is provided health benefits plan coverage under § 35.0031 and who meets the income eligibility requirement of a program established under Title XXI of the Social Security Act (42 U.S.C. § 1397aa et seq.), as amended, to pay a premium, deductible, coinsurance, or other cost-sharing payment as a condition of health benefits plan coverage. The payment must be equal to any premium, deductible, coinsurance, or other cost-sharing payment required under the state child health plan established by this state to implement Title XXI of the Social Security Act (42 U.S.C. § 1397aa et seq.), as amended.