2nd Chronicles 23:6

3 and all the assembly make a covenant in the house of God with the king, and he saith to them, `Lo, the son of the king doth reign, as Jehovah spake concerning the sons of David.

4 `This [is] the thing that ye do: The third of you, going in on the sabbath, of the priests, and of the Levites, [are] for gatekeepers of the thresholds,

5 and the third [are] at the house of the king, and the third at the gate of the foundation, and all the people [are] in the courts of the house of Jehovah.

6 `And none doth enter the house of Jehovah except the priests, and those ministering of the Levites (they go in for they [are] holy), and all the people keep the watch of Jehovah:

7 and the Levites have compassed the king round about, each with his weapon in his hand, and he who hath gone in unto the house is put to death; and be ye with the king in his coming in and in his going out.`

8 And the Levites and all Judah do according to all that Jehoiada the priest hath commanded, and take each his men going in on the sabbath, with those going out on the sabbath, for Jehoiada the priest hath not let away the courses.

9 And Jehoiada the priest giveth to the heads of the hundreds the spears, and the shields, and the bucklers that [are] king David`s, that [are] in the house of God;