The minister's right of refuse of a citizehship application is the final oder, there will be no appleal. but that is *before* a persion becomes a citizen!
http://www.parl.gc.ca/37/2/parlbus/chambus/house/bills/government/C-18/C-18_1/90203b-1E.html#15
once a persion has become a citizen, the revocation process is a fully judicial model where the Federal Court Trial Division would make the finding about misrepresentation in the acquisition of citizenship and issue the revocation order.
http://www.parl.gc.ca/37/2/parlbus/chambus/house/bills/government/C-18/C-18_1/90203b-1E.html#11
16(1)
http://www.parl.gc.ca/37/2/parlbus/chambus/house/bills/government/C-18/C-18_1/90203b-1E.html#15
once a persion has become a citizen, the revocation process is a fully judicial model where the Federal Court Trial Division would make the finding about misrepresentation in the acquisition of citizenship and issue the revocation order.
http://www.parl.gc.ca/37/2/parlbus/chambus/house/bills/government/C-18/C-18_1/90203b-1E.html#11
16(1)