On an average day, approximately 160,000 adults are under the supervision of correctional services agencies in Canada. Are you wasting resources by unknowingly including these individuals in your marketing campaigns?
The Prison Suppression service involves matching and flagging (not deleting) records in your file against the addresses of Federal, Provincial and Territory correctional centres in Canada. Matched records are marked with an indicator placed in a new field added to your record. A summary report provides you with statistical data describing your results and a record layout defines field positioning and content.




Dependant on list composition and source.
For complete file suppression accuracy it is advisable to also run the CMA Do Not Contact and Deceased Identification services with Prison Suppression.
*Please note that following our file format specifications is required only for our Self-Service products.
Please see our File Format Specification page for more information on required input and standard result fields.
The Prison Suppression service also appends the following fields:
Y = Prison Suppressed
N = Not Prison Suppressed