; or (C) out-of-network services furnished after the enrollee has been stabilized (within the meaning of subsection (b)(2)(C)), where the notice and option for referral required under subsection (f)(1) have not been provided to the enrollee and the assumption of responsibility for out-of-pocket costs under subsection (f)(2) has not been obtained, may not bill an enrollee in a group health plan or group or individual health insurance coverage for amounts beyond the cost-sharing amount that would apply under subsection (b)(1)(C)(ii)(II), (e), or (f), as applicable. (2) Notice A facility furnishing services described in paragraph (1) shall provide enrollees in a group health plan or group or individual health insurance coverage with a one-page notice, in 16-point font, upon intake at the emergency room or being admitted at the facility of the prohibition on balance billing under paragraph (1) and who to contact for recourse if they are sent a balance bill in violation of such paragraph. The facility shall be responsible for obtaining the signature from the enrollee on such notice. The Secretary shall issue regulations within 6 months of the date of enactment of the Lower Health Care Costs Act on the requirements for the notice under this paragraph. (3) Enforcement (A) In general Subject to subparagraph (B), a facility or practitioner that violates a requirement under paragraph (1) shall be subject to a civil monetary penalty of not more than $10,000 for each act constituting such violation. (B) Procedure The provisions of section 1128A of the Social Security Act, other than subsections (a) and (b) and the first sentence of subsection (c)(1) of such section, shall apply to civil money penalties under this subsection in the same manner as such provisions apply to a penalty or proceeding under section 1128A of the Social Security Act. (C) Safe harbor The Secretary shall waive the penalties described under subparagraph (A) with respect to a facility or, practitioner who unknowingly violates paragraph (1) with respect to