Leviticus 2:15

2:15 And you must put olive oil on it and set frankincense on it – it is a grain offering.

Leviticus 7:10

7:10 Every grain offering, whether mixed with olive oil or dry, belongs to all the sons of Aaron, each one alike.

Leviticus 14:15

14:15 The priest will then take some of the log of olive oil and pour it into his own left hand.