Related Rule
Practice Relating to Rule 55. Access for Humanitarian Relief to Civilians in Need
Section A. Access for humanitarian relief
The Guidelines on Evacuations adopted in 1991 by the Presidential Human Rights Committee of the Philippines provided: “Medicines and relief goods, whether coming from the government or non-government organizations, shall be given to the evacuees without delay.” 
Philippines, Presidential Human Rights Committee, Resolution No. 91-001 Providing for Guidelines on Evacuations, Manila, 26 March 1991, § 6.
A circular from the Office of the President of the Philippines issued in 1991 stipulates:
Only in cases of tactical operations may control of the movement of non-combatants and the delivery of goods and services be imposed for safety reasons, provided that in no case should such control lead to the starvation of civilians. 
Philippines, Office of the President, Memorandum Circular No. 139 Prescribing the Guidelines for the Implementation of Memorandum Order No. 398, 26 September 1991, § 3.