Exodus 40:27

27 and burned fragrant incense on it, just as the Lord had commanded him.

Exodus 40:27 Meaning and Commentary

Exodus 40:27

And he burnt sweet incense thereon
Which is another branch of the priestly office exercised by Moses, and which he would never have done had he not had a command from God for it, as follows:

as the Lord commanded Moses;
he commanded Moses indeed to order and direct Aaron to do this, but he being not yet consecrated, Moses, being the Lord's priest, did it.

Exodus 40:27 In-Context

25 and set up the lamps before the Lord, just as the Lord had commanded him.
26 Moses also installed the gold altar in the tent of meeting, in front of the veil,
27 and burned fragrant incense on it, just as the Lord had commanded him.
28 He put up the screen at the entrance to the tabernacle.
29 Then he placed the altar of burnt offering at the entrance to the tabernacle, the tent of meeting, and offered the burnt offering and the grain offering on it, just as the Lord had commanded him.
Holman Christian Standard Bible ® Copyright © 2003, 2002, 2000, 1999 by Holman Bible Publishers.  Used by permission.  All rights reserved.