Originally Posted by
Nayef
If I'm not mistaken, I think you have to ask the border officer who processes your entry into Canada from overseas about NEXUS enrollment on-arrival and tell them you want to do the interview since you have a conditional approval I hope (that's how it is for Global Entry, anyway). Otherwise, the Centre itself is outside of the secure area near a bunch of airline desks and before the US departures gates.
To my knowledge, there is no NEXUS EoA. There is just GE EoA.