I believe there is a lot of confusion over flight deck access rules, including rules relating to domestic operators designated by the countries aviation authority, rules in relation to foreign operators when operating in another countries airspace and also individual airlines.
So the question is; are flight deck visits allowed on Portuguese registered transport aircraft? Are flight deck visits allowed on aircraft bound for Canadian airspace? Does TAP allow flight deck visitors at the Commanders discretion?
It is important to realise that in many countries and airlines flight deck visits are still allowed.