; funds obligated in fiscal year 2020 remain available for disbursement through 2028; and funds obligated in fiscal year 2021 remain available for disbursement through 2029: Provided further , That notwithstanding any other provision of law, the Overseas Private Investment Corporation is authorized to undertake any program authorized by title IV of chapter 2 of part I of the Foreign Assistance Act of 1961 in Iraq: Provided further , That funds made available pursuant to the authority of the previous proviso shall be subject to the regular notification procedures of the Committees on Appropriations. In addition, such sums as may be necessary for administrative expenses to carry out the credit program may be derived from amounts available for administrative expenses to carry out the credit and insurance programs in the Overseas Private Investment Corporation Noncredit Account and merged with said account. Trade and development agency For necessary expenses to carry out the provisions of section 661 of the Foreign Assistance Act of 1961, $79,500,000, to remain available until September 30, 2020: Provided , That of the funds appropriated under this heading, not more than $5,000 may be available for representation and entertainment expenses. VII General Provisions ALLOWANCES AND DIFFERENTIALS 7001. Funds appropriated under title I of this Act shall be available, except as otherwise provided, for allowances and differentials as authorized by sub chapter 59 of title 5, United States Code