Palawan Council for Sustainable Development vs. Lim

Administrative agencies vested with rule-making authority under their enabling statutes may promulgate regulations to implement the statutory mandate, provided such regulations remain within the confines of the granting statute; specifically, the PCSD's issuance of Administrative Order No. 00-05 and Resolution No. 03-211, requiring accreditation for live fish carriers and imposing penalties for violations, constituted a valid exercise of its quasi-legislative power under Section 19(8) of Republic Act No. 7611.

Ejercito Lim operated Bonanza Air Services, a domestic air carrier authorized by the Air Transportation Office (ATO) to engage in nonscheduled air taxi transportation, primarily transporting live fish from Palawan to fish traders. The Palawan Council for Sustainable Development (PCSD), created under Republic Act No. 7611 as the administrative machinery for the Strategic Environmental Plan (SEP) for Palawan, issued Administrative Order No. 00-05 on February 25, 2002, requiring all carriers transporting live fish from Palawan to secure PCSD accreditation. The ATO subsequently communicated to the PCSD that ATO-authorized carriers were common carriers and should be exempt from PCSD accreditation requirements, attaching a list of authorized carriers including Bonanza Air Services. Notwithstanding this communication, the PCSD maintained that Lim's business required accreditation and issued Memorandum Circular No. 02 imposing sanctions on clients using unaccredited carriers. Lim continued operations without accreditation, leading the PCSD to issue a Notice of Violation and Show Cause Order alleging 19 unauthorized flights in October 2002 and threatening a ₱50,000.00 fine.

• Nature of Business: Ejercito Lim operated Bonanza Air Services, a domestic air carrier with ATO authority to engage in nonscheduled air taxi transportation of passengers and cargo, primarily transporting live fish from Palawan to fish traders.
• Administrative Order No. 00-05: On February 25, 2002, the PCSD issued A.O. No. 00-05 allowing transport of live fish from Palawan only through traders and carriers who had sought and secured accreditation from the PCSD.
• ATO Communication: On September 4, 2002, the ATO sent a communication to the PCSD stating that ATO-authorized carriers were considered common carriers and, as such, should be exempt from the PCSD accreditation requirement, attaching a list of authorized carriers including Bonanza Air Services.
• Respondent's Continued Operations: Lim continued his trade without securing PCSD accreditation, asserting that as an ATO-authorized common carrier, he was exempt from the accreditation requirement.
• PCSD Enforcement Actions: The PCSD Chairman issued Memorandum Circular No. 02, Series of 2002, which contained a penal clause imposing sanctions on clients using unaccredited carriers, including cancellation of PCSD accreditation and perpetual disqualification from engaging in live fish trading. Lim sent a grievance letter to the Office of the President, but the PCSD Chairman maintained that Lim's business was not a common carrier and required accreditation.
• Notice of Violation: The PCSD issued a Notice of Violation and Show Cause Order alleging that Lim had made 19 flights in October 2002 without accreditation, requiring explanation within 15 days under threat of a ₱50,000.00 fine. Lim claimed he never received this notice.
• Resolution No. 03-211: On August 18, 2003, the PCSD enacted Resolution No. 03-211, which amended A.O. No. 00-05 by adding a definition of "CARRIER" encompassing any natural or juridical person engaged in transportation of live fish regardless of whether they were common carriers, and requiring all carriers (except Government) to secure accreditation. The PCSD subsequently issued another show cause order to Lim on September 9, 2003 for continued non-compliance.
• Alleged Damages: Lim filed a supplemental petition alleging that implementation of Resolution No. 03-211 prevented his carriers from transporting fish, resulting in loss of income amounting to ₱132,000.00, and that the resolution was a scheme to circumvent the injunctive writ.

• Statutory Authority: Petitioners argued that the Court of Appeals erred in interpreting Sections 4, 6, 16, and 19 of Republic Act No. 7611 as limitations on the PCSD's power to promulgate A.O. No. 00-05, maintaining that the PCSD possessed explicit authority under Section 19(8) to adopt rules and impose penalties for SEP implementation.
• Rule-Making Power: Administrative Order No. 00-05 and its revisions were promulgated pursuant to the PCSD's valid quasi-legislative or rule-making power, not as an encroachment on the legislative function of the Sangguniang Panlalawigan of Palawan.
• Validity of Regulations: The administrative issuances possessed all requisites of a valid administrative regulation, being within the confines of the enabling statute and consistent with the constitutional mandate to protect natural resources.

• Excess of Authority: Respondent countered that A.O. No. 00-05 and Resolution No. 03-211 were issued in excess of the PCSD's statutory authority under R.A. No. 7611.
• Encroachment on Legislative Power: Respondent argued that the promulgation of the administrative orders constituted an encroachment on the legislative function vested solely in the Sangguniang Panlalawigan of Palawan.
• Common Carrier Exemption: Respondent maintained that as an ATO-authorized common carrier, his business was exempt from PCSD accreditation requirements, and the PCSD's insistence on accreditation despite the ATO communication was arbitrary.

• Jurisdiction and Proper Remedy: Whether the Court of Appeals erred in taking cognizance of a petition for prohibition to assail administrative issuances exercising quasi-legislative functions, instead of requiring an action for declaratory relief in the Regional Trial Court.
• Statutory Authority: Whether A.O. No. 00-05, Resolution No. 03-211, and the Notice of Violation and Show Cause Order were null and void for having been issued in excess of the PCSD's authority under R.A. No. 7611.

• Jurisdiction and Proper Remedy: The petition for prohibition was an improper remedy; prohibition lies against judicial, quasi-judicial, or ministerial functions, not against legislative or quasi-legislative functions. Challenges to the validity of rules issued by an administrative agency in the exercise of quasi-legislative power constitute matters incapable of pecuniary estimation exclusively and originally cognizable by the Regional Trial Court under Section 19(1) of Batas Pambansa Blg. 129 and Section 1, Rule 63 of the Rules of Court. The Court of Appeals should have adhered to the doctrine of hierarchy of courts, as the respondent failed to show sufficient justification for bypassing the Regional Trial Court. Notwithstanding this procedural defect, the Court exercised its power to suspend procedural rules in the interest of substantial justice and resolved the case on the merits.
• Statutory Authority: The administrative issuances were valid exercises of the PCSD's authority. Section 16 of R.A. No. 7611 established the PCSD as the administrative machinery for implementing the Strategic Environmental Plan, while Section 19(8) explicitly vested the PCSD with the power to "adopt, amend and rescind such rules and regulations and impose penalties therefor for the effective implementation of the SEP." The PCSD had the explicit authority to fill in the details as to how to carry out the objectives of R.A. No. 7611, including establishing a methodology for effective SEP implementation through accreditation requirements and the imposition of penalties for violations.

• Hierarchy of Courts and Proper Remedy — Challenges to the validity or constitutionality of rules or regulations issued by administrative agencies in the exercise of quasi-legislative functions must be brought in the Regional Trial Court as actions for declaratory relief pursuant to Section 1, Rule 63 of the Rules of Court, not through petitions for prohibition in appellate courts. Prohibition is an extraordinary writ directed against judicial, quasi-judicial, or ministerial functions, not legislative or quasi-legislative functions.
• Administrative Rule-Making Power — Administrative agencies possess quasi-legislative or rule-making power to promulgate regulations implementing their enabling statutes, provided such regulations are within the confines of the granting statute and consistent with the doctrine of non-delegability and separability of powers. The PCSD's power under Section 19(8) of R.A. No. 7611 includes the authority to adopt rules and impose penalties for effective SEP implementation.

• "Prohibition is an extraordinary writ directed against any tribunal, corporation, board, officer or person, whether exercising judicial, quasi-judicial or ministerial functions... It lies against the exercise of judicial or ministerial functions, not against the exercise of legislative or quasi-legislative functions." — Establishes the limited scope of prohibition as a remedy.
• "The determination of whether a specific rule or set of rules issued by an administrative agency contravenes the law or the Constitution is within the jurisdiction of the Regional Trial Court." — Affirms the RTC's original jurisdiction over challenges to administrative regulations.
• "Accordingly, the PCSD had the explicit authority to fill in the details as to how to carry out the objectives of R.A. No. 7611 in protecting and enhancing Palawan's natural resources consistent with the SEP. In that task, the PCSD could establish a methodology for the effective implementation of the SEP." — Validates the PCSD's authority to promulgate implementing rules.

• Smart Communications, Inc. v. National Telecommunications Commission, G.R. Nos. 151908 and 152063, August 12, 2003 — Controlling precedent establishing that the Regional Trial Court has jurisdiction to pass upon the validity or constitutionality of rules or regulations issued by administrative agencies in the exercise of quasi-legislative functions.
• Holy Spirit Homeowners Association, Inc. v. Defensor, G.R. No. 163980, August 3, 2006 — Cited for the principle that prohibition lies against the exercise of judicial or ministerial functions, not legislative or quasi-legislative functions, and serves to keep lower courts within jurisdictional limits.

• Section 19(8), Republic Act No. 7611 (Strategic Environmental Plan for Palawan Act) — Vests the PCSD with the power to "adopt, amend and rescind such rules and regulations and impose penalties therefor for the effective implementation of the SEP and the other provisions of this Act," which served as the statutory basis for the accreditation requirement and penal sanctions.
• Section 19(1), Batas Pambansa Blg. 129 (Judiciary Reorganization Act of 1980) — Grants the Regional Trial Court original jurisdiction over cases incapable of pecuniary estimation, applied here to challenges against administrative regulations.
• Section 1, Rule 63, Rules of Court — Allows any person whose rights are affected by a regulation to bring an action in the Regional Trial Court to determine questions of construction or validity, cited as the proper procedural vehicle rather than prohibition.
• Section 2, Rule 65, Rules of Court — Defines the scope of prohibition as a remedy against judicial, quasi-judicial, or ministerial functions, not quasi-legislative acts.

Maria Lourdes P.A. Sereno (Chief Justice), Teresita J. Leonardo-De Castro, Estela M. Perlas-Bernabe, and Alfredo Benjamin S. Caguioa.