(a)Commencement. Every removal proceeding conducted under section 240 of the Act (8 U.S.C. 1229a ) to determine the deportability or inadmissibility of an alien is commenced by the filing of a notice to appear with the immigration court. For provisions relating to the issuance of a notice to appear by an immigration officer, or supervisor thereof, see 8 CFR 239.1(a) . (b)Service of notice to appear. Service of the notice to appear shall be in accordance with section 239 of the Act. 8 C.F.R. §1239