mandatory membership
No one is required to be a Catholic.
central collection of money
Any collection is central.
required celibacy
Celibacy is not required of anyone. The vow is voluntary.
...prayer to dead people...
They're not dead.
So many falsehoods, but then again, you regard the Ten Commandments as some kind of a joke.
Is it required to be a member of the Roman Catholic Church in order to be recognized for salvation? That is, is it one of the required sacraments in order for a man to be saved?
We’ll go at these one at a time so you cannot hide behind the many words.