Originally Posted by
Fr_Chuck
First does the priest know he is not baptised, it is not allowed to marry a non baptised person at the alter, A non baptised person can not partake of a sacrament, which a wedding is considered one. Also he will have to take some classes and normally sign where he agrees that any children can be raised catholic.
These are often a min for a catholic wedding.
With or without communion is an acceptable wedding, there is a liturgy for both.
It is almost always in a formal wedding to have communion and those that are not catholic just do not partake.