No caps or hats in church (There are exceptions for medical situations.)
Crying babies or children should be asked to go to the crying room if there is room available
Exits, hallways, and doors should always be clear. No one should be blocking or standing in the doorway.
No change should be given to anyone wanting change from the collection basket.
If the Mass readings have started, parishioners have to remain standing in the back of the church until the readings are finished. If the Gospel has started, parishioners should wait in the back of the church until the proclamation ends. Then they can be seated (or the priest will ask them to be seated).