'According to the Law' in the Bible

And when the days of her purification according to the law of Moses were accomplished, they brought him to Jerusalem, to present him to the Lord;

Prompted by the Spirit, he came into the temple [enclosure]; and when the parents brought in the child Jesus, to do for Him the custom required by the Law,

And when they had performed all things according to the law of the Lord, they returned into Galilee, to their own city Nazareth.

how he entered the house of God [i.e., the Temple] and took some 'Bread of Presence' and ate it, and also gave some to his men to eat? [This practice] was not permissible according to the law of Moses, [since the bread was reserved] only for the priests."