2 Chronicles 35:2
And he set the priests in their charges, and encouraged them to the service of the house of the Lord,
Cross-reference
In 2 Chronicles 29:5-11, Hezekiah calls priests and Levites to consecrate and serve the temple, a parallel reform to Josiah's.
2 Chronicles 31:2 records Hezekiah assigning priestly divisions, a reform directly parallel to Josiah's similar action.
2 Chronicles 23:8 shows Jehoiada organizing priests for duty, similar to Josiah's appointment of priests here.
2 Chronicles 23:18 describes Jehoiada assigning temple oversight to Levites, paralleling Josiah's priestly appointments.
Numbers 18:5-7 gives the original duties of priests and Levites, which Josiah's appointments are based on.
1 Chronicles 24:1-31 details David's priestly divisions, the organizational model Josiah follows here.
In Ezra 6:18, the returned exiles similarly organize priests and Levites for temple service, echoing Josiah's reform.