There is established a working capital fund, to be available without fiscal year limitation, for expenses necessary for the maintenance and operation of a comprehensive program of centralized services which the Secretary of Labor may prescribe and deem appropriate and advantageous to provide on a reimbursable basis: Provided, That such Working Capital Fund may receive advances and reimbursements from funds available to bureaus, offices, and agencies for which such centralized services are performed at rates which will return in full all expenses of operation, including reserves for accrued annual leave, workers’ compensation, depreciation of capitalized equipment and amortization of human resources software and systems (either acquired or donated): Provided further, That, through September 30, 2019, the Secretary of Labor may transfer an amount not to exceed $3,000,000 from unobligated balances in the Department’s salaries and expenses accounts to the Working Capital Fund, to be merged with the Working Capital Fund and used for the acquisition of capital equipment and the improvement of financial management, information technology, infrastructure technology investment activities related to support systems and modernization, and other support systems, and to remain available until expended: Provided further, That the Secretary of Labor may transfer to the Working Capital Fund, to remain available for obligation for five fiscal years after the fiscal year of such transfer, annually an amount not to exceed $9,000,000 from unobligated balances in the Department’s salaries and expenses accounts made available in Public Laws 115-245, 116-94, or 116-260, and annually an amount not to exceed $9,000,000 from unobligated balances in the Department’s discretionary grants accounts made available in Public Laws 115-245, 116-94, 116-260, for the acquisition of capital equipment and the improvement of financial management, information technology, infrastructure technology investment activities related to support systems and modernization, and other support systems: Provided further, That the Secretary of Labor may transfer to the Working Capital Fund, to remain available for obligation for five fiscal years after the fiscal year of such transfer, annually an amount not to exceed $18,000,000 from unobligated balances in the Department’s salaries and expenses accounts made available in this Act and hereafter, and $18,000,000 from unobligated balances in the Department’s discretionary grants accounts made available in this Act and hereafter for the acquisition of capital equipment and the improvement of financial management, information technology, infrastructure technology investment activities related to support systems and modernization, and other support systems: Provided further, That none of the funds transferred pursuant to the preceding proviso shall be available unless the Chief Information Officer of the Department of Labor has submitted a plan, approved by the Office of Management and Budget, describing the amounts to be transferred by account, the planned use of funds, including descriptions of projects, project status, including any scheduled delays and cost overruns, financial expenditures, planned activities, and expected benefits, to the Committees on Appropriations of the House of Representatives and the Senate by July 31 of the calendar year prior to the fiscal year in which the transfer will occur: Provided further, That the Working Capital Fund may receive reimbursements from entities or persons for use of Departmental facilities, including associated utilities and security services, and such reimbursements shall be credited to and merged with the Working Capital Fund: Provided further, That pursuant to section 11319 of title 40, the Secretary shall ensure that the Department’s Chief Information Officer shall, at a minimum, be a principal advisor to the Secretary and a member on any board or governance structure of the Department responsible for advising and setting Department-wide information technology budgets: Provided further, That none of the funds available for information technology modernization under this section or under the heading “IT Modernization” shall be used for information technology modernization projects unless an experienced project manager, employed by the Department of Labor, is assigned oversight responsibility, including but not limited to, ensuring such projects are completed within established timeframes and budgets.