REVENUE MEMORANDUM CIRCULAR NO. 43-2025 issued on April 28, 2025 publishes the full text of Memorandum Circular No. 80 dated April 3, 2025 from the Office of the President titled, “Directing All Government Agencies and Instrumentalities, and Encouraging Local Government Units and the Private Sector, to Support the Celebration of the 2025 National Innovation Day”.