upon request and after notice and a hearing. (h) A collective bargaining agreement that is assumed shall be assumed in accordance with section 365. . (b) Prohibition on modification of retiree benefits Section 1114 of title 11, United States Code, is further amended by adding at the end the following: (n) Notwithstanding any other provision in this title, the trustee may not modify retiree benefits if the debtor is an air carrier, as such term is defined in section 40102 of title 49, United States Code, or an affiliate of such air carrier, that received assistance under the Aviation Worker Relief Act of 2020. . III Airline Industry Financial Oversight 301. Creation of Office of Airline Industry Financial Oversight (a) In general There is hereby established, within the Office of the Secretary of Transportation, the Office of Airline Industry Financial Oversight. (b) Director of Office The office established under this section shall be headed by a Director, who shall be a career employee of the Department of Transportation and selected on the basis of such individual’s knowledge of financial markets, airline operations, and finance, and such other qualifications as the Secretary considers relevant. 302. Responsibilities of Office of Airline Industry Financial Oversight The Director of the Office of Airline Industry Financial Oversight shall— (1) assess, not less than once every 12 months, the financial fitness of each passenger air carrier conducting operations under part 121 of title 14, Code of Federal Regulations