A justice or judge who is satisfied by information on oath that there are reasonable grounds to suspect that an offence has been or will be committed against this or any other Act of Parliament and that transmission data will assist in the investigation of the offence may issue a warrant authorizing a peace officer or a public officer to obtain the transmission data by means of a transmission data recorder.
A justice who is satisfied by information on oath in writing that there are reasonable grounds to suspect that an offence under this or any other Act of Parliament has been or will be committed and that information that would assist in the investigation of the offence could be obtained through the use of a number recorder, may at any time issue a warrant authorizing a peace officer or a public officer who has been appointed or designated to administer or enforce a federal or provincial law and whose duties include the enforcement of this Act or any other Act of Parliament and who is named in the warrant