You will continue to be denied if you have a criminal record or immigration violation, which you have not resolved with a US waiver.
When you travel using your NEXUS membership card, you must possess appropriate immigration documents, if applicable (such as a visa or an Electronic Travel Authorization – e TA, or work permit).
Yes, this is not a problem if one person fills out multiple applications.
If you file with IVT you do not have to fill out every section of the application for every family member e.g. If you apply online using the GOES system you will have to make a separate application for each family member and fill out every section – the average time spent filling out an online Nexus application is 1.5 hours so if there are quite a few of you it could very time consuming doing it yourself.
The NEXUS card program is a partnership between the Canada and U. The NEXUS card is NOT meant to replace a Canadian passport.
Read some of the most frequently asked questions (FAQs) about the Global Entry air card.