G.R. No. L-32096 - Edu vs. Ericta

Parties and Subject Matter
Romeo F. Edu (Petitioner) – Land Transportation Commissioner seeking to annul a lower-court injunction.
Hon. Vicente G. Ericta (Respondent Judge) – Judge of the Court of First Instance of Rizal, Branch XVIII, who issued the injunction.
Teddy C. Galo (Respondent Motorist) – Filed a suit for certiorari and prohibition to annul Republic Act No. 5715 (Reflector Law) and Administrative Order No. 2.

Lower-Court Proceedings
May 20, 1970 – Galo filed a petition for certiorari and prohibition with preliminary injunction in CFI Rizal, assailing RA 5715 (amending RA 4136) and the implementing Administrative Order No. 2 as violative of due process and nondelegation.
May 27–28, 1970 – Hearing on the injunctive relief; no evidence was presented. On May 28, the trial judge granted a preliminary injunction restraining enforcement of the Administrative Order.
June 1–9, 1970 – The clerk issued the writ upon bond on June 1. Petitioner’s motion for reconsideration was denied on June 9.
June 18, 1970 – Edu filed a petition for certiorari and prohibition before the Supreme Court to annul the lower-court orders and to compel dismissal of Galo’s suit.
June 22–July 6, 1970 – Respondent Judge and Galo filed answers; Solicitor General and parties argued before the Supreme Court on July 2; case deemed ripe for decision.

Whether Republic Act No. 5715 (Reflector Law) is constitutional under the police-power and due-process clauses.
Whether Administrative Order No. 2, issued under RA 4136, constitutes an undue delegation of legislative power.