1 Chronicles 16:39-40

³⁹and Zadok the priest, and his brethren the priests, before the tabernacle of Jehovah in the high place that was at Gibeon, ⁴⁰to offer burnt-offerings unto Jehovah upon the altar of burnt-offering continually morning and evening, even according to all that is written in the law of Jehovah, which he commanded unto Israel;