Canadian Short Code opt-out Requirements

All Canadian short codes are obligated to sufficiently handle incoming STOP or ARRET message. There are two requirements:

  • A STOP/ARRET message must be returned to the sender, confirming that the user will no longer receive messages from this program. This is a requirement even if the sender is not subscribed, and even if you are not running a subscription service.
  • You must discontinue sending messages to that end user, unless they re-initiate the service again.

STOP/ARRET requirements in the body of the message

We recommend that you include language informing users how to stop receiving further messages from you at the end of every message sent from your short code. Here are some examples:

Text STOP to cancel
Texter ARRET pour ##### pour annuler

 The following exceptions apply:

  • Subscription service or recurring message programs: You are obligated to include STOP/ARRET language in the body of the messages that are part of the initial sign-up flow. However, once the end user has opted into the program, you are not required to include STOP/ARRET language in the body of each subsequent message.
  • Info on demand/single message program: You are not required to include the STOP/ARRET language in the body of messages sent to the user. The rationale is that the user is initiating a response text from your service and therefore explicitly requesting you to send a short code message.


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