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File Formats
Telemarketers will be able to download the National DNCL in two different file formats: • Comma-separated values (CSV), also known as Flat Text Files; and,
• Extensible Markup Language (XML) Tagged Files
The files will be provided for downloading in one Zip file, which includes individual files for each Canadian NPA (area code) selected If the full national list is selected, then one Zip file will be provided containing a single file with all numbers registered on the National DNCL for Canada
Flat Text File format
The complete list in a flat text file will consist of one three-digit Canadian area code and seven-digit telephone number per line, with a linefeed at the end of each line For example:
416,1234567
416,1234568
416,1234569
XML Tagged File format
When you download the full list as an XML Tagged file, an element indicates what level and value of data are contained in the file
For the complete national list, the level is “all” and the value is null (Example 1)
For an area code list, the level is “ac” and the value is the area code, such as 416 (Example 2)
Example 1: National List
<list type=’full’ level=’all’ val=’’ /> <ac val=’416’>
<ph val=’1234567’ /> <ph val=’1234568’ /> <ph val=’1234569’ />
</ac>
<ac val=’905’>
<ph val=’1234567’ /> <ph val=’1234568’ /> <ph val=’1234569’ />
</ac> </list>
Example 2:
Single Area Code List
<list type=’full’ level=’ac’ val=’416’ /> <ac val=’416’>
<ph val=’1234567’ /> <ph val=’1234568’ /> <ph val=’1234569’ />
</ac> </list>
Parallel to the introduction of the National DNCL, the CRTC has updated its rules for all unsolicited telecommunications – including those exempt from the National DNCL rules The rules on sending unsolicited faxes and using automatic dialing devices have also been updated All of the new rules are summarized on the CRTC’s website at https://crtc.gc.ca/eng/trules-reglest.htm