Upvote:2
The CBSA website recognizes the 18-month extension, so it may be assumed that NEXUS members who qualify for the 18-month extension will also continue to be treated as active members north of the border.
In addition, I spoke on the phone with one of the Canadian NEXUS offices at 1-800-842-7647 on Dec 1. They explained that if a person has submitted a renewal application prior to expiration and is within the 18-month grace period: