Thematic Bible: Irregularities in

But He said to them, Have you not read what David did when he was hungry, and those who were with him, how he entered into the house of God and ate the showbread, which was not lawful for him to eat, nor for those who were with him, but only for the priests?

And the king and his leaders, and all the congregation in Jerusalem, took counsel to keep the Passover in the second month. For they could not keep it at that time, because the priests had not made themselves pure enough, nor had the people gathered to Jerusalem. And the thing pleased the king and all the congregation. read more.
And they established a decree to send a notice throughout all Israel, from Beer-sheba even to Dan, that they should come to keep the Passover to Jehovah, the God of Israel at Jerusalem. For not many of them had done as it was written.

For many in the congregation were not sanctified. And the Levites were over the killing of the passovers for every one who was not clean, to sanctify them to Jehovah. For many of the people, many from Ephraim and Manasseh, Issachar and Zebulun, had not been cleansed, but ate the Passover otherwise than it was written. But Hezekiah prayed for them, saying, May the good LORD pardon everyone who prepares his heart to seek God, Jehovah, the God of his fathers, though not cleansed according to the purification of the sanctuary. read more.
And Jehovah listened to Hezekiah and healed the people.