וְלָבַ֨שׁ הַכֹּהֵ֜ן מִדּ֣וֹ בַ֗ד וּמִֽכְנְסֵי־בַד֮ יִלְבַּ֣שׁ עַל־בְּשָׂרוֹ֒ וְהֵרִ֣ים אֶת־הַדֶּ֗שֶׁן אֲשֶׁ֨ר תֹּאכַ֥ל הָאֵ֛שׁ אֶת־הָעֹלָ֖ה עַל־הַמִּזְבֵּ֑חַ וְשָׂמ֕וֹ אֵ֖צֶל הַמִּזְבֵּֽחַ׃
Le pontife revêtira son habit de lin, après avoir couvert sa chair du caleçon de lin; il enlèvera sur l’autel la cendre de l’holocauste consumé par le feu, et la déposera à côté de l’autel.
Mishneh Torah, Positive Mitzvot
To remove the ashes from the altar, as it is said, “…. and he shall take up the ashes” (Lev. 6:3).
Sefer HaChinukh
The commandment of the lifting of the ashes: That the priest remove the ashes each and every day from on the altar — and this is what is called the lifting of the ashes (trumat hadeshen), which was done every day — as it is stated (Leviticus 6:3), “And the priest shall dress in linen, etc. and he shall lift the ashes.”