and improvements, $225,000,000, which shall be derived by transfer from the Fund established by Public Law 110–161 , division G, title II, section 223 and shall remain available until September 30, 2024: Provided further , That funds previously set aside by CDC for repair and upgrade of the Lake Lynn Experimental Mine and Laboratory shall be used to acquire a replacement mine safety research facility: Provided further , That in addition, the prior year unobligated balance of any amounts assigned to former employees in accounts of CDC made available for Individual Learning Accounts shall be credited to and merged with the amounts made available under this heading to support the replacement of the mine safety research facility. CDC-wide activities and program support (including transfer of funds) For carrying out titles II, III, XVII and XIX, and section 2821 of the PHS Act and for cross-cutting activities and program support for activities funded in other appropriations included in this Act for the Centers for Disease Control and Prevention, $163,570,000, of which up to $10,000,000 may be transferred to the reserve of the Working Capital Fund authorized under this heading in division F of Public Law 112–74 : Provided , That paragraphs (1) through (3) of subsection (b) of section 2821 of the PHS Act shall not apply to funds appropriated under this heading and in all other accounts of the CDC: Provided further , That of the amounts made available under this heading, $50,000,000 shall be transferred to and merged with the Infectious Diseases Rapid Response Reserve Fund established by section 231 of division B of Public Law 115–245 : Provided further , That any funds made available by this Act to the Centers for Disease Control and Prevention may be used to support the purchase, hire, maintenance, and operation of an aircraft for use and support of the activities of CDC: Provided further , That employees of CDC or the Public Health Service, both civilian and commissioned officers, detailed to States, municipalities,