In nuclear energy: the written permission, in the form of a license, certificate, registration, or other approval, granted by the PhilATOM to a natural or juridical person to conduct specified activities [Section 5(b), Philippine National Nuclear Energy Safety Act of 2025]
In carbon markets: a country-driven process in which a country where CCCs from a Mitigation Activity are generated, permits the use of such CCCs, in the form of Mitigation Outcomes, by another country towards the latter’s NDC or Other International Mitigation Purpose (OIMP) [Section 3.2, DOE Department Circular No. DC2025-09-0018, Providing General Guidelines for the Generation, Managements, and Monitoring of Carbon Credits in the Energy Sector]