'According to the Law' in the Bible

And they indeed from among the sons of Levi, who receive the priesthood, have commandment to take tithes from the people according to the law, that is from their brethren, though these are come out of the loins of Abraham:

If then indeed he were upon earth, he would not even be a priest, there being those who offer the gifts according to the law,

For every commandment having been spoken according to the law by Moses to all the people; having taken the blood of calves and goats, with water and scarlet wool and hyssop, he sprinkled both the book itself and all the people,

and almost all things are purified with blood according to the law, and without blood-shedding there is no remission.

Above, saying Sacrifices and offerings and burnt-offerings and sacrifices for sin thou willedst not, neither tookest pleasure in (which are offered according to the law);