Leviticus 14:12

והקריב אתו לאשם AND HE SHALL BRING IT FOR A GUILT-OFFERING - This means: he shall bring it inside the court as a guilt-offering to wave it, for it required waving whilst alive (for it states that he shall bring it “and the log of oil” and the latter was not brought as a sacrifice; besides, the act of slaughtering is mentioned in v. 13) (Menachot 62b), והניף אתם AND HE SHALL WAVE THEM — the guilt-offering and the log of oil.

and the priest shall take one he lamb, and offer it for a guilt offering, and the log of oil, and wave them for a wave offering before the Lord:

וְלָקַ֨ח הַכֹּהֵ֜ן אֶת־הַכֶּ֣בֶשׂ הָאֶחָ֗ד וְהִקְרִ֥יב אֹת֛וֹ לְאָשָׁ֖ם וְאֶת־לֹ֣ג הַשָּׁ֑מֶן וְהֵנִ֥יף אֹתָ֛ם תְּנוּפָ֖ה לִפְנֵ֥י יְהֹוָֽה׃