Canon 23
That a cleric who has castrated himself must be cast out of the clergy.
If anyone, being a cleric, castrates himself, let him be cast out. Because he is a suicide.
Greek original
Εἴ τις κληρικὸς ὤν, ἑαυτὸν ἀκρωτηριάσοι, καθαιρείσθω· φονεὺς γὰρ ἐστιν ἑαυτοῦ.
Parallel canons
Ап.212224IВс.1Двукр.8