Exodus 27:21
In the tabernacle of the congregation without the veil, which is before the testimony, Aaron and his sons shall order it from evening to morning before the LORD: it shall be a statute for ever to their generations on the behalf of the children of Israel.
Nave's Topical Index—AKJV

Leviticus 24:3
Without the veil of the testimony, in the tabernacle of the congregation, shall Aaron order it from the evening to the morning before the LORD continually: it shall be a statute for ever in your generations.
Nave's Topical Index—AKJV

Numbers 18:5
And you shall keep the charge of the sanctuary, and the charge of the altar: that there be no wrath any more on the children of Israel.
Nave's Topical Index—AKJV