דַּבֵּ֤ר אֶֽל־אַהֲרֹן֙ וְאֶל־בָּנָ֣יו לֵאמֹ֔ר זֹ֥את תּוֹרַ֖ת הַֽחַטָּ֑את בִּמְק֡וֹם אֲשֶׁר֩ תִּשָּׁחֵ֨ט הָעֹלָ֜ה תִּשָּׁחֵ֤ט הַֽחַטָּאת֙ לִפְנֵ֣י יְהוָ֔ה קֹ֥דֶשׁ קָֽדָשִׁ֖ים הִֽוא׃
Speak unto Aaron and to his sons, saying: This is the law of the sin-offering: in the place where the burnt-offering is killed shall the sin-offering be killed before the LORD; it is most holy.
Find Mishnaic references to Leviticus 6:18: , passages from the 63 tractates of the Mishnah.