| Function | Description | Message Key(s) |
|---|---|---|
| C | QUERY COMMERCIAL VEHICLE | C |
| CA | CLEAR ARTICLE | CLA,CA,CAR |
| CAA | CLEAR CONSECUTIVELY SERIALIZED GROUP STOLEN ARTICLES | CALA,CASA |
| CAHELP | CANADIAN HELP FILES | CAHELP |
| CAQ | QUERY ARTICLE | CAQ |
| CB | CLEAR STOLEN BOAT | CB |
| CBQ | QUERY CANADIAN BOAT | CBQ |
| CC | CLEAR CONVICTED PERSON ON SUPERVISED RELEASE | CC |
| CCO | CLEAR SUPERVISED PERSON | CCO |
| CDNFQ | QUERY CANADIAN CRIMINAL HISTORY RECORD | CDNFQ |
| CDNIQ | QUERY CANADIAN CRIMINAL HISTORY INDEX | CDNIQ |
| CF | VEHICLE CLEAR TRANSACTION - FELONY | CF |
| CFG | CLEAR FELONY GUN TRANSACTION | CFG |
| CG | CLEAR GUN | CG,CLG,CFG CRG |
| CGQ | QUERY GUN | CGQ |
| CHQHELP | CRIMINAL HISTORY HELP FILE QUERY | CHQHELP |
| CL | CLEAR LICENSE PLATE | CL |
| CLG | CLEAR LOST GUN TRANSACTION | CLG |
| CM | CLEAR MISSING PERSON | CM |
| CORHELP | CORRECTIONS INFORMATION HELP FILE QUERY | CORHELP |
| CP | CLEAR PART | CP |
| CPO | CLEAR PROTECTION ORDER | CPO |
| CRG | CLEAR RECOVERED GUN TRANSACTION | CRG |
| CRO | CLEAR EXTREME RISK PROTECTION ORDER | CRO,CTRO |
| CS | CLEAR SECURITY | CS |
| CSS | CLEAR SECURITY GROUP | CSS |
| CU | CLEAR UNIDENTIFIED PERSON | CU |
| CV | CLEAR VEHICLE | CVS,CVW,CVI CVIP |
| CVL | CLEAR CLIF RECORDS | V,A,B |
| CW | CLEAR WANTED PERSON | CWF,CTF,CWW CWJ |
| CWQ | QUERY NLETS CONCEALED WEAPONS PERMIT | CWQ |
| CXS | CLEAR TRIBAL SEX OFFENDER | CXS |