'Ordinance' in the Bible
Now according to the ordinance of his father David, he appointed the divisions of the priests for their service, and the Levites for their duties of praise and ministering before the priests according to the daily rule, and the gatekeepers by their divisions at every gate; for David the man of God had so commanded.
So they roasted the Passover animals on the fire according to the ordinance, and they boiled the holy things in pots, in kettles, in pans, and carried them speedily to all the lay people.
Then Jeremiah chanted a lament for Josiah. And all the male and female singers speak about Josiah in their lamentations to this day. And they made them an ordinance in Israel; behold, they are also written in the Lamentations.