CAAP MEMORANDUM CIRCULAR NO. 31-14, November 07, 2014
AMENDMENT TO PHILIPPINE CIVIL AVIATION REGULATIONS – AIR NAVIGATION SERVICES (CAR-ANS) PART 15 INCORPORATING AMENDMENT 36 TO ANNEX 15
National Administrative Register November 7, 2014
Text Available at the Office of the National Administrative Register, U.P. Law Complex, Diliman, Quezon City
Adopted: 07 November 2014