Numbers 6:11

וְעָשָׂ֣ה הַכֹּהֵ֗ן אֶחָ֤ד לְחַטָּאת֙ וְאֶחָ֣ד לְעֹלָ֔ה וְכִפֶּ֣ר עָלָ֔יו מֵאֲשֶׁ֥ר חָטָ֖א עַל־הַנָּ֑פֶשׁ וְקִדַּ֥שׁ אֶת־רֹאשׁ֖וֹ בַּיּ֥וֹם הַהֽוּא׃

καὶ ποιήσει ὁ ἱερεὺς μίαν περὶ ἁμαρτίας καὶ μίαν εἰς ὁλοκαύτωμα· καὶ ἐξιλάσεται περὶ αὐτοῦ ὁ ἱερεὺς περὶ ὧν ἥμαρτεν περὶ τῆς ψυχῆς, καὶ ἁγιάσει τὴν κεφαλὴν αὐτοῦ ἐν ἐκείνῃ τῇ ἡμέρᾳ ABBREV

Greek text from Swete's edition, CC BY-SA 4.0

Y el sacerdote hará el uno en expiación, y el otro en holocausto: y expiarálo de lo que pecó sobre el muerto, y santificará su cabeza en aquel día.

And the priest is to offer one as a sin offering and the other as a burnt offering to make atonement for him, because he has sinned by being in the presence of the dead body. On that day he must consecrate his head again.