Parallel
Matthew 18:17
Nestle 1904 Greek New Testament · Berean Standard Bible
ἐὰν δὲ παρακούσῃ αὐτῶν εἰπὸν τῇ ἐκκλησίᾳ ἐὰν δὲ καὶ τῆς ἐκκλησίας παρακούσῃ ἔστω σοι ὥσπερ ὁ ἐθνικὸς καὶ ὁ τελώνης
If he refuses to listen to them, tell it to the church. And if he refuses to listen even to the church, regard him as you would a pagan or a tax collector.