Originally Posted by The Lev

This speaks of people transiting through Canada (from Europe and US) but no mention of Canadians transiting through European airports. I would be delighted if we no longer had to face the second security line when transiting through LHR, FRA, MUC, ZRH, etc.

Originally Posted by The news release referenced above

Quick Facts

- As One Stop Security will not be mandatory, its benefits to passengers and industry will depend on which airports and airlines apply the initiative.
- In December 2015, the European Commission announced its intention of implementing OSS for flights originating in Canada and connecting through European airports, this also takes effect today at participating European airports.