In electric power: Batas Pambansa Bilang 68, otherwise known as “The Corporation Code of the Philippines[”] [Section 4 (t), Rules and Regulations to Implement Republic Act No. 9136, Entitled “Electric Power Industry Reform Act of 2001”]
In electrification: Batas Pambansa Bilang 68, otherwise known as the “Corporation Code of the Philippines;” [Rule 1, Section 4(e), DOE Department Circular No. DC2013-07-0015, Prescribing the Implementing Rules and Regulations of Republic Act NO. 10531, Otherwise Known as the “National Electrification Administration Reform Act of 2013”]