"You are to make an altar for the burning of incense; make it of acacia wood.
References for Exodus 30:1
It must be square, 18 inches long and 18 inches wide; it must be 36 inches high. Its horns must be of one piece.
References for Exodus 30:2
Overlay its top, all around its sides, and its horns with pure gold; make a gold molding all around it.
Make two gold rings for it under the molding on two of its sides; put these on opposite sides of it to be holders for the poles to carry it with.
Make the poles of acacia wood and overlay them with gold.
"You are to place the altar in front of the veil by the ark of the testimony-in front of the mercy seat that is over the testimony-where I will meet with you.
Aaron must burn fragrant incense on it; he must burn it every morning when he tends the lamps.
When Aaron sets up the lamps at twilight, he must burn incense. There is to be an incense [offering] before the Lord throughout your generations.
You must not offer unauthorized incense on it, or a burnt or grain offering; you are not to pour a drink offering on it.
"Once a year Aaron is to perform the purification rite on the horns of the altar. Throughout your generations he is to perform the purification rite for it once a year, with the blood of the sin offering for atonement. The altar is especially holy to the Lord."
References for Exodus 30:10