availability of Medicaid and CHIP coverage (I) In general Each employer that maintains a group health plan in a State that provides medical assistance under a State Medicaid plan under title XIX of the Social Security Act, or child health assistance under a State child health plan under title XXI of such Act, in the form of premium assistance for the purchase of coverage under a group health plan, shall provide to each employee a written notice informing the employee of potential opportunities then currently available in the State in which the employee resides for premium assistance under such plans for health coverage of the employee or the employee's dependents. For purposes of compliance with this subclause, the employer may use any State-specific model notice developed in accordance with section 701(f)(3)(B)(i)(II) of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1181(f)(3)(B)(i)(II) ). (II) Option to provide concurrent with provision of plan materials to employee An employer may provide the model notice applicable to the State in which an employee resides concurrent with the furnishing of materials notifying the employee of health plan eligibility, concurrent with materials provided to the employee in connection with an open season or election process conducted under the plan, or concurrent with the furnishing of the summary plan description as provided in section 104(b) of the Employee Retirement Income Security Act of 1974. (ii) Disclosure about group health plan benefits to States for medicaid and chip eligible individuals In the case of an enrollee in a group health plan who is covered under a Medicaid plan of a State under title XIX of the Social Security Act or under a State child health plan under title XXI of such Act, the plan administrator of the group health plan shall disclose to the State, upon request, information about the benefits available under the group health plan in sufficient specificity, as determined under regulations of the Secretary of Health and Human Services in