PD 972 - provides for the active and systematic exploration, exploitation, development, disposition and utilization of Philippine coal resources. This decree introduced the Philippine coal service contract system and established the appropriate guidelines for coal operations.

PD 1174 – amends PD 972 and awards additional incentives to coal operators through the reimbursement of all operating expenses not exceeding ninety percent (90%) of the gross income after deducing all operating expenses, likewise the granting of timber and water rights within the coal contract area and access to government reserved lands subject to applicable laws and guidelines by the concerned agencies.

BED CIRCULAR NO.1, Series of 1978, "COAL MINE SAFETY RULES AND REGULATIONS"

This Circular is a set rules and regulations promulgated pursuant to Section 9 of PD 972. Safety rules are prescribed for underground and surface mine operations covering requirements for exit, escape ways, submission of mine maps, ventilation, allowable limits of toxic and explosive gases. Control of coal dust, ground support, rescue organization for emergency situations, fire protection, handling of explosives, health and sanitation facilities and other miscellaneous safety rules.

All holders of coal operating contracts and special operating permits are required to see to it that these rules and regulations are complied with. Non-compliance with these rules and regulations shall constitute sufficient ground for cancellation of al coal operating contract or special operating permit.

BED CIRCULAR NO. 81-11-10, "GUIDELINES FOR COAL OPERATIONS IN THE PHILIPPINES"

This Circular issued on November 26, 1981, sets out the rules and regulations to implement the provisions of PD 972 as amended by PD 1174. The relevant health and safety provisions of this Circular are under Section V and Section VII, to wit:

Section V - Additional coal mines safety rules and regulations for strict implementation by all holders of Coal Operating Contract.

Section VII - Penalties for violations of the Coal Operating including Safety Rules and Regulations.