until expended, to prevent, prepare for, and respond to coronavirus, including salaries and expenses necessary for oversight, investigations and audits of the Railroad Retirement Board and railroad unemployment insurance benefits funded in this Act and Public Law 116–136 : Provided , That such amount is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. General Provisions—This Title 10608. Notwithstanding any other provision of law, funds made available under each heading in this title shall only be used for the purposes specifically described under that heading. 10609. Funds appropriated by this title may be used by the Secretary of the Health and Human Services to appoint, without regard to the provisions of sections 3309 through 3319 of title 5 of the United States Code, candidates needed for positions to perform critical work relating to coronavirus for which— (1) public notice has been given