A $50 (USD) one-time fee is required with your NEXUS application and must be paid at time of application submission through the Trusted Traveler Program System. You can pay by credit card or through an electronic bank transfer.
A $50 (CAD) one-time fee is required if you are submitting your NEXUS application by mail. The fee must be mailed with the completed application to a Canadian Processing Center. You can pay by credit card, check or money order. Checks and money orders must be payable to: Canada Border Services.
The fee is non-refundable, even if an application is denied.