Grace before the Bureau of Immigration (BI) on the basis that the latter two are Canadian citizens who are illegally working in the Philippines, petitioners having been issued Canadian passports.   Acting upon the Complaint, respondent Maricel U. Salcedo, Special Prosecutor, Special Task Force of the BI Commissioner, directed the petitioners, through the issuance of a subpoenae,10[10] to appear before her and to bring pertinent documents relative to their current immigration status, to which the petitioners objected by filing with the Special Task Force of the BI Commissioner a Comment/Opposition with Motion Ad Cautelam to Quash Re: Subpoena11[11] dated 30 April 2004 (Duces Tecum/Ad Testificandum), which was eventually denied by respondent Salcedo in an Order12[12] dated May 14, 2004.   Respondent Board of Commissioners (BOC) filed a Charge Sheet 13[13] dated June 1, 2004 for Violation of Sections 37 (a) 7, 45 (e) and 45-A of the Philippine Immigration Act of 1940, as amended, which reads as follows:   The undersigned Special Prosecutor charges GRACE GUY CHEU and GERALDINE GAW GUY, both Canadian citizens, for working without permit, 10[10] Id. at 34-35. 11[11] Id. at 36-44. 12[12] Id. at 45. 13[13] Id. at 67-68.