(a) Services - (1)
In general. Beginning at the time described in paragraph (b) of
§ 54.9815-2713 and subject to
§ 54.9815-2713A, a group health plan, or a health insurance issuer offering group health insurance coverage, must provide coverage for and must not impose any cost-sharing requirements (such as a copayment, coinsurance, or a deductible) for -