LXX Num 30:15

ἐὰν δὲ σιωπῶν παρασιωπήσῃ αὐτῇ ἡμέραν ἐξ ἡμέρας, καὶ στήσει αὐτῇ πάσας τὰς εὐχὰς αὐτῆς, καὶ τοὺς ὁρισμοὺς τοὺς ἐπ’ αὐτῆς στήσει αὐτῇ, ὅτι ἐσιώπησεν αὐτῇ τῇ ἡμέρᾳ ἢν ἤκουσεν.

But if he nullifies them after he hears of them, then he will bear her iniquity.”