NET
21 The king ordered all the people, “Observe the Passover of the Lord your God, as prescribed in this scroll of the covenant.”
Darby
21 And the king commanded all the people saying, Hold the passover to Jehovah your God, as it is written in this book of the covenant.
KJV
21 And the king commanded all the people, saying, Keep the passover unto the LORD your God, as [it is] written in the book of this covenant.