'According to the Law' in the Bible

Everything that Hezekiah began in the service of God's Temple was done according to the Law and to the commandments as he sought his God, worked with all of his heart, and became successful.

So let's make a promise to our God by which we divorce all of these foreign wives as well as those born to them in accordance with the counsel of our Lord and of those who tremble at our God's command. Furthermore, let it be done according to the Law.

But the men who had gone as a group to the king told him, "Remember, your majesty, that according to the laws of the Medes and Persians, any decree or edict that the king establishes cannot be repealed."

When the time came for their purification according to the Law of Moses, Joseph and Mary took Jesus up to Jerusalem to present him to the Lord,

Then some men came down from Judea and started to teach the brothers, "Unless you are circumcised according to the Law of Moses, you can't be saved."

At this Paul told him, "God will strike you, you whitewashed wall! How can you sit there and judge me according to the Law, and yet in violation of the Law order me to be struck?"

In this passage he says, "You never wanted or took delight in sacrifices, offerings, burnt offerings, and sin offerings," which are offered according to the Law.