'According to the Law' in the Bible

And verily they of the sons of Levi, who receive the priesthood, have a commandment (according to the law) to take tithes of the people, that is, of their brethren, tho' they come out of the loins of Abraham.

For if he were on earth, he would not be a priest, there being priests that offer gifts, according to the law,

For when Moses had spoken all the commandment according to the law to all the people, he took the blood of calves and of goats, with water, and scarlet wooll, and hyssop, and the book itself,

And almost all things are according to the law purified with blood, and withoutshedding of blood there is no remission.