(a) In General. - Subject to subsection (b), unobligated balances of amounts appropriated or otherwise made available to the General Services Administration for operating expenses and salaries and expenses may be transferred and merged into the "Major equipment acquisitions and development activity" of the Salaries and Expenses, General Management and Administration appropriation account for - (1) agency-wide acquisition of capital equipment, automated data processing systems; and (2) financial management and management information systems needed to implement the Chief Financial Officers Act of 1990 (Public Law 101-576, 104 Stat. 2838) and other laws or regulations. (b) Requirements and Availability. - (1) Time for transfer. - Transfer of an amount under this section must be done no later than the end of the fifth fiscal year after the fiscal year for which the amount is appropriated or otherwise made available. (2) Approval for use. - An amount transferred under this section may be used only with the advance approval of the Committees on Appropriations of the House of Representatives and the Senate. (3) Availability. - An amount transferred under this section remains available until expended.