Ezra 6:9 - Ellicott's Commentary On The Whole Bible

Bible Comments

Both young bullocks, and rams, and lambs. — An accurate account of the provision required for the sacrifices and meat-offerings of the daily service of the Temple: how accurate will be seen by consulting Exodus 29 and Leviticus 2.

Appointment here is simply the word: that is, of direction.

Ezra 6:9

9 And that which they have need of, both young bullocks, and rams, and lambs, for the burnt offerings of the God of heaven, wheat, salt, wine, and oil, according to the appointment of the priests which are at Jerusalem, let it be given them day by day without fail: