And to offer all burnt sacrifices unto the LORD

And to offer all burnt sacrifices unto the LORD in the sabbaths, in the new moons, and on the set feasts, by number, according to the order commanded unto them, continually before the LORD:And that they should keep the charge of the tabernacle of the congregation, and the charge of the holy plac , and the charge of the sons of Aaron their brethren, in the service of the house of the LORD