'Prescribed' in the Bible

so they affirmed the proposal and spread the message throughout all Israel, from Beer-sheba to Dan, to come to observe the Passover of Yahweh, the God of Israel in Jerusalem, for they hadn’t observed it often, as prescribed.

They stood at their prescribed posts, according to the law of Moses, the man of God. The priests sprinkled the blood received from the hand of the Levites,