Upvote:2
If the priest who apostatized and became atheist is obstinate in his heresy, he is to be deposed/defrocked:
ยง1. All apostates from the Christian faith and all heretics and schismatics:
1ยฐ. Incur excommunication ipso facto, and
2ยฐ. Unless they repent, shall be deprived of any benefice, dignity, pension or other charge which they may hold in the Church, and be declared infamous; clerics, after repeated warning, shall be deposed;