G.R. No. 142824 - Interphil Laboratories Employees Union vs. Interphil Laboratories, Inc.

July 12, 1960 – Santiago Gatchalian, grandfather of William, is recognized by the Bureau of Immigration as a native–born Filipino on the basis of his alleged filiation to his mother, Marciana Gatchalian.
June 27, 1961 – Twelve-year-old William, his brother Johnson, and their uncle and aunts arrive from Hong Kong with Philippine Consular Certificates of Registration; on July 6, 1961, Board of Special Inquiry No. 1 admits them as Filipino citizens; William receives Identification Certificate No. 16135 on August 16, 1961.
July 6, 1962 – Motu proprio review by the new Board of Commissioners (BOC) reverses the BSI decision, orders exclusion of William and companions, and issues a warrant of exclusion on the same date.

1973 – William and co-applicants file a motion for rehearing before the Board of Special Inquiry (BSI); on March 15, 1973, Acting Commissioner Nituda orders the reversal of the July 1962 BOC decision, reaffirms the 1961 BSI finding and recalls the exclusion warrants.
June–August 1990 – NBI recommends deportation charges under Sec. 37(a)(1)–(2) and Secs. 45(c)–(e) of the Immigration Act; Secretary of Justice indorses to Immigration Commissioner Domingo, who on August 15, 1990 issues a warrant-mission for investigation and arrest; William posts a ₱200,000 bond and is released.

August 29, 1990 – William files a petition for certiorari and prohibition with injunction (Civil Case No. 90-54214) before RTC Manila, Branch 29, seeking to enjoin deportation proceedings.
September 6, 1990 – William’s wife and minor children file Civil Case No. 3431-V-90 in RTC Valenzuela, Branch 172, for preliminary injunction against further deportation steps.
September 7, 1990 – Judge dela Rosa denies the motion to dismiss and issues a TRO; September 6, 1990 – Judge Capulong issues a TRO.
Solicitor General petitions SC to set aside both TROs and to prohibit further judicial interference; William files a counter-petition seeking declaration of Filipino citizenship and/or remand to trial court.

Whether the RTCs may entertain certiorari, prohibition and injunction against the Board of Commissioners and Board of Special Inquiry, or whether exclusive appellate jurisdiction lies with the Court of Appeals under BP 129.

Whether the rule of exclusive BOC jurisdiction in deportation proceedings yields when a respondent’s claim of Philippine citizenship is “so substantial” that immediate judicial intervention is warranted.

Whether the warrant of arrest/mission order issued for investigation purposes is legally valid under the Immigration Act.
Whether the State’s right to deport or exclude by warrant of exclusion dated July 6, 1962 has prescribed under Sec. 37(b) of the Immigration Act or by analogies to procedural prescription in civil and criminal rules.