Exodus 30:6, 36

You shall put the altar of incense [in the Holy Place] in front and outside of the veil that screens the ark of the Testimony, before the mercy seat that is over the Testimony, where I will meet with you.

You shall crush some of it [into a] very fine [powder], and put some of it before the Testimony in the Tent of Meeting, where I will meet with you; it shall be most holy to you.