This plan doesn't include a vaccine mandate or passport, but it would require unvaccinated civil servants and domestic travellers boarding a bus, plane, train or boat to show recent negative COVID-19 test results or undergo rapid testing. It also promises to work with provinces to develop a national proof-of-vaccination system that could be used for international travel.
https://www.cbc.ca/news/politics/o-toole-covid19-guns-1.6165141
So, testing not passports.
As opposed to the alternative which would be the Liberal's mandate for proof of vaccination for all those things.
https://www.cbc.ca/news/politics/o-toole-covid19-guns-1.6165141