וַיְדַבֵּ֨ר מֹשֶׁ֜ה אֶֽל־אַהֲרֹ֗ן וְאֶ֣ל אֶ֠לְעָזָר וְאֶל־אִ֨יתָמָ֥ר ׀ בָּנָיו֮ הַנּֽוֹתָרִים֒ קְח֣וּ אֶת־הַמִּנְחָ֗ה הַנּוֹתֶ֙רֶת֙ מֵאִשֵּׁ֣י יְהוָ֔ה וְאִכְל֥וּהָ מַצּ֖וֹת אֵ֣צֶל הַמִּזְבֵּ֑חַ כִּ֛י קֹ֥דֶשׁ קָֽדָשִׁ֖ים הִֽוא׃
And Moses spoke unto Aaron, and unto Eleazar and unto Ithamar, his sons that were left: ‘Take the meal-offering that remaineth of the offerings of the LORD made by fire, and eat it without leaven beside the altar; for it is most holy.
Read halakhic rulings (Jewish law) on Leviticus 10:12: and classical halakhic sources.