may be apportioned up to the rate for operations necessary to carry out such responsibilities. 137. In addition to amounts provided in section 101, an additional amount is provided for National Archives and Records Administration—Operating Expenses to carry out transition responsibilities of the Archivist of the United States under sections 2201 through 2207 of title 44, United States Code (commonly known as the Presidential Records Act of 1978 ) in the event of a Presidential Transition at a rate for operations of $18,000,000: Provided , That such amounts may be apportioned up to the rate for operations necessary to carry out such responsibilities. 138. Amounts made available by section 101 for Office of Personnel Management—Salaries and Expenses , including amounts to be transferred from the appropriate trust funds of the Office of Personnel Management without regard to other statutes, may be apportioned up to the rate for operations necessary to cover any expected shortfall in administrative expenses resulting from the transfer of the National Background Investigations Bureau function to the Department of Defense. 139. Section 2(b)(2)(C)(i) of the Temporary Bankruptcy Judgeships Extension Act of 2012 ( 28 U.S.C. 152 note