New Revised Standard Version
The king commanded all the people, “Keep the passover to the LORD your God as prescribed in this book of the covenant.”

Contemporary English Version
Josiah told the people of Judah, "Celebrate Passover in honor of the LORD your God, just as it says in The Book of God's Law."

New American Bible
The king issued a command to all the people: “Observe the Passover of the LORD, your God, as it is written in this book of the covenant.”

Douay-Rheims Bible
And he commanded all the people, saying: Keep the Phase to the Lord your God, according as it is written in the book of this covenant.

And he commanded all the people, saying: Keep the Phase to the Lord your God, according as it is written in the book of this covenant.

Keep.

2 Chronicles 35:1-19 And Josias kept a phase to the Lord in Jerusalem, and it was sacrificed on the fourteenth day of the first month. . . .

as it is written.

Exodus 12:3-20 Speak ye to the whole assembly of the children of Israel, and say to them: On the tenth day of this month let every man take a lamb by their families and houses. . . .

Leviticus 23:5-8 The first month, the fourteenth day of the month at evening, is the phase of the Lord. . . .

Numbers 9:2-5 Let the children of Israel make the phase in its due time, . . .

Numbers 28:16-25 And in the first month, on the four tenth day of the month, shall be the phase of the Lord, . . .

Deuteronomy 16:1-8 Observe the month of new corn, which is the first of the spring, that thou mayst celebrate the phase to the Lord thy God: because in this month the Lord thy God brought thee out of Egypt by night. . . .