Official guidelines that govern what the group is supposed to do and how the members should behave referred to as

I believe the answer is: Rules, as a characteristic of a group

This rules would determine the things that considered as right or wrong depending on the cultural value and principles that held by the group.
Failing to follow the rules that created could resulted in negative treatments from the other members or banishment from the group

Iam a german monk and professor of theology. i believe that the catholic church's practice of buying forgiveness of sins through indulgences is wrong. i have translated the bible into german to make it easier for more people to be able to study it. i am here to stand by my writings and i refuse your demand that i recant them