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Hi Antony,Even though a DUI isn't a criminal offence in N.J. it is a criminal offence in Canada, which means your brother is actually criminally inadmissible to Canada. In other words, as soon as a border agent scans his passport they will see his past history and in all likelihood have him turn back around to the US, even if he is not the one driving in Canada.
To overcome the criminal inadmissibility he will have to apply for something called a 'temporary resident permit' which will involve filling out some paper work and providing certain documents. For more info on criminal inadmissibility or TRPs I would try browsing through the government of Canada website, or consult the following info-graphic http://visual.ly/travelling-criminal-record
Hope that helps and good luck!
- Steph
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I can't argue with your facts Steph but I would disagree with thisand in all likelihood have him turn back around to the US, even if he is not the one driving in Canada
OP there is a lot of info on this subject on the tt as the question gets asked all the time. Do a search or start scolling back and you'll run into it.
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Thanks for the input Bosworth. I suppose I've heard a few too many horror stories about Canadian immigration agents who go on power trips and refuse entry to Americans without even mentioning TRP applications.You can fill out a TRP application at the border, but it is better to come prepared with necessary documents (court docs, background checks, etc...). I've also been told that airports are much more likely to grant TRPs then agents at regular land ports of entry.

