of violations of such provisions and resolve such complaints within 60 days of receipt of such complaints. Such process shall provide that the Secretary of Labor be informed of complaints by participants or beneficiaries under a group health plan or health insurance coverage offered by a health insurance issuer in the group market and any enforcement actions against providers resulting from such complaints, including the disposition of any such enforcement actions. (4) Exception The Secretary may waive the penalties described under paragraph (1) with respect to a facility or provider (including a provider of air ambulance services) who does not knowingly violate, and should not have reasonably known it violated, sections 2799A–1, 2799A–2, or 2799A–4 with respect to a participant, beneficiary, or enrollee, if such facility or provider, within 30 days of the violation, withdraws the bill that was in violation of such provision and reimburses the health plan or participant, beneficiary, or enrollee, as applicable, in an amount equal to the difference between the amount billed and the amount allowed to be billed under the provision, plus interest, at an interest rate determined by the Secretary. (5) Hardship exemption The Secretary may establish a hardship exemption to the penalties under this subsection. (c) Continued Applicability of State Law The sections specified in subsection (a)(1) shall not be construed to supersede any provision of State law which establishes, implements, or continues in effect any requirement or prohibition except to the extent that such requirement or prohibition prevents the application of a requirement or prohibition of such a section. . (b) Secretary of Labor investigative authority (1) In general Part 5 of subtitle B of title I of the Employee Retirement Income Security Act of 1974 ( 29 U.S.C. 1131 et seq.) is amended by adding at the end the following new section: 522. Investigative authority regarding violations of certain health care provider requirements