; and $25,000,000 shall remain available until expended: Provided, That there may be credited to this appropriation funds received from States, counties, municipalities, other public authorities, and private sources, for expenses incurred in the establishment, improvement, and modernization of national airspace systems: Provided further, That not later than 60 days after submission of the budget request, the Secretary of Transportation shall transmit to the Congress an investment plan for the Federal Aviation Administration which includes funding for each budget line item for fiscal years 2025 through 2029, with total funding for each year of the plan constrained to the funding targets for those years as estimated and approved by the Office of Management and Budget: Provided further, That section 405 of this Act shall apply to amounts made available under this heading in title VIII of the Infrastructure Investment and Jobs Act (division J of Public Law 117–58 ). RESEARCH, ENGINEERING, AND DEVELOPMENT (AIRPORT AND AIRWAY TRUST FUND) For necessary expenses, not otherwise provided for, for research, engineering, and development, as authorized under part A of subtitle VII of title 49, United States Code, including construction of experimental facilities and acquisition of necessary sites by lease or grant, $196,050,000, to be derived from the Airport and Airway Trust Fund and to remain available until September 30, 2026: Provided, That there may be credited to this appropriation as offsetting collections, funds received from States, counties, municipalities, other public authorities, and private sources, which shall be available for expenses incurred for research, engineering, and development: Provided further, That amounts made available under this heading shall be used in accordance with the Report accompanying this Act: Provided further, That not to exceed 10 percent of any funding level specified under this heading in the Report accompanying this Act may be transferred to any other funding level specified under