Title
Tatad vs. Secretary of the Department of Energy
Case
G.R. No. 124360
Decision Date
Dec 3, 1997
Challenges to R.A. No. 8180's constitutionality over anti-competitive provisions favoring oil oligopolies; SC declared entire law void, upholding fair competition under the Constitution.

Case Digest (G.R. No. 163745)

Facts:

  • Consolidated petitions
    • Francisco S. Tatad challenged Executive Order No. 392 and alleged misapplication of Republic Act No. 8180 (G.R. No. 124360).
    • Edcel C. Lagman, Joker P. Arroyo, Enrique Garcia, et al. challenged RA 8180’s anti-competition provisions; new oil firms intervened (G.R. No. 127867).
  • Motions for reconsideration
    • Public respondents urged that EO 392 complied with RA 8180, Sections 5(b), 6 and 9(b) are constitutional, and the separability clause preserves the remainder.
    • Intervenors and petitioner Garcia sought partial relief, striking only the 4% tariff differential, minimum inventory, and predatory-pricing rules.

Issues:

  • Did EO 392 misapply RA 8180 by advancing the date of full deregulation?
  • Do Sections 5(b) (4% tariff differential), 6 (minimum inventory), and 9(b) (predatory pricing) of RA 8180 violate Section 19, Article XII of the Constitution?
  • Does invalidating these provisions vitiate the entire law despite its separability clause?
  • Should only the anti-competition sections be struck down, preserving full deregulation’s other mechanisms?

Ruling:

  • (Subscriber-Only)

Ratio:

  • (Subscriber-Only)

Doctrine:

  • (Subscriber-Only)

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