In terms of how they are enforced/what their principles are, only two have changed slightly:
4.2 Paramedics and Firefighters has been changed so you can now also park the full-size firetruck in sensible, non-crowded areas and wait to be called out. Before, this was only allowed with the...
Sorry I didn't realise that @Collier had actually changed this before publishing.
So yes, you can now do it for both the ambulance and firetruck as I described above.
It says in the description for Basic Conduct Rules that they do not apply to In-Character gameplay unless specifically stated in the rule itself, like 1.2:
I try to perform an action against you that doesn't have a gameplay mechanic, like '/me gags you'.
You do /roll and get 74.
I do /roll and get 45.
You can therefore do '/me spits gag out of mouth', or something similar.
That's not correct. RTFOs also have their own policy: https://sites.google.com/view/tfu-handbook/policies/rtfo-policy
2.1 RTFOs may not gear up until authorised to deploy by another TFO who holds a higher certification than "Recruit". They may also self-deploy in the event of a confirmed major...