and appropriating committees within 15 days after the end of the Office of Management and Budget review period based on the notification from the Director, Congress shall assume Office of Management and Budget concurrence with the report and act accordingly. In addition, $2,000,000 for the Office of Information and Regulatory Affairs to hire additional personnel dedicated to regulatory review and reforms: Provided , That these amounts shall be in addition to any other amounts available for such purpose: Provided further , That these funds may not be used to backfill vacancies. Office of National Drug Control Policy salaries and expenses For necessary expenses of the Office of National Drug Control Policy