The National Telecommunications Commission (NTC) recently published a draft Memorandum in addition to section 2 of Memorandum Circular No. 03-05-2007.
This relates in particular to non-specific short range devices operating in 314.9-315 MHz with limit of technical parameters as: Maximum field strength/RF output power should be 10mW erp.
The official document can be downloaded here:
http://ntc.gov.ph/wp-content/uploads/2020/01/draftMC-amending-section2-MCNo-03-05-2007.pdf