rainbow bridge landing question

[albertyy]

Hi, my father and mother (in laws) finally got the landing paper and passport.

Could I ask couple of questions

are passports and landing paper the only requirements that we need to carry.
my wife is the sponsor and I am the co-sponsor. Do we need to bring our passports too?
in the confirmation of permanent residence, session "medical details", the surveillance code is 2.02. would that impact landing process? what do I need to do to deal with it. Or it does not impact the landing process?
is rainbow bridge open Saturday and Sunday?

Thanks for your answer in advance

Albert