The Implementing Rules and Regulations (IRR) of Executive Order (EO) No. 34, Series of 2023, Declaring the Pambansang Pabahay Para Sa Pilipino (4PH) Program as a Flagship Program of the Government, and Directing All National Government Agencies and Instrumentalities, Including Government-Owned or -Controlled Corporations, and Local Government Units, To Submit a Detailed Inventory of All Available and Suitable Lands for the Implementation of the Program