• MC No. 001-2023 Amendment to Philippine Civil Aviation Regulations – Air Navigation Services (CAR-ANS) Part 9 for the Adoption of Amendment 91 to ICAO Annex 10 Volume IV – Aeronautical Telecommunications Governing Surveillance Radar Systems
• MC No. 005-2023 Mandatory Processing of All Documentary and Security Requirements of Passengers at CAAP-Operated Airports
• MC No. 004-2023 Amendments to Philippine Civil Aviation Regulations Part 7 Incorporating ICAO Annex 6 Part 1 Amendments 40 and 48 RE: Location of an Airplane in Distress
• MC No. 003-2023 Amendment to PCAR Part 3.3.7- Training Facilities, Equipment and Material for Air Traffic Controller, Flight Operations Officer and Aeronautical Station