data processing equipment, software, and services and for repairs and renovations to buildings owned by the Department of the Treasury, $4,000,000, to remain available until September 30, 2021: Provided , That these funds shall be transferred to accounts and in amounts as necessary to satisfy the requirements of the Department's offices, bureaus, and other organizations: Provided further, That this transfer authority shall be in addition to any other transfer authority provided in this Act: Provided further, That none of the funds appropriated under this heading shall be used to support or supplement Internal Revenue Service, Operations Support or Internal Revenue Service, Business Systems Modernization . Office of inspector general Salaries and expenses For necessary expenses of the Office of Inspector General in carrying out the provisions of the Inspector General Act of 1978, $37,044,000, including hire of passenger motor vehicles