Ezekiel 45:16-18

New Revised Standard Version, Anglicised Catholic Edition

¹⁶ All the people of the land shall join with the prince in Israel in making this offering. ¹⁷ But this shall be the obligation of the prince regarding the burnt-offerings, grain-offerings, and drink-offerings at the festivals, the new moons, and the sabbaths, all the appointed festivals of the house of Israel: he shall provide the sin-offerings, grain-offerings, the burnt-offerings, and the offerings of well-being, to make atonement for the house of Israel.

Festivals

¹⁸ Thus says the Lord God: In the first month, on the first day of the month, you shall take a young bull without blemish, and purify the sanctuary.