From a reader:
What penalties, if any would a Catholic Priest incur if he allowed a “womanpriest” to “concelebrate” Mass with him?
In the 1983 Code of Canon Law for the Latin Church we find can. 1365: “One who is guilty of prohibited participation in religious rites is to be punished with a just penalty.”
The law provides latitude for the one who imposes the penalty. It is hard to speculate about the actual penalty. Penalties are imposed for the sake of justice and to bring about a reform in the offender. Different circumstances warrant different penalties. The judge would need to consider the circumstances and what would be the most effective means of bringing about that reform.
If you, dear questioner, actually saw this happen, bring the matter to the attention of the priest’s pastor, superior, or bishop.
If you, dear questioner, are a priest thinking about doing this and wondering how much trouble you might get into get into, I urge not to do anything so deeply foolish.
If you, dear questioner, are merely curious, pray for those deluded priests – and women – who might be tempted to engage in such divisive and stupid behavior.
A commentator added:
Can. 1378 §2. The following incur a latae sententiae penalty of interdict or, if a cleric, a latae sententiae penalty of suspension: (1) a person who attempts the liturgical action of the Eucharistic sacrifice though not promoted to the sacerdotal order…