Leviticus 2:13

2:13 Moreover, you must season every one of your grain offerings with salt; you must not allow the salt of the covenant of your God to be missing from your grain offering – on every one of your grain offerings you must present salt.

Leviticus 2:2

2:2 Then he must bring it to the sons of Aaron, the priests, and the priest must scoop out from there a handful of its choice wheat flour and some of its olive oil in addition to all of its frankincense, and the priest must offer its memorial portion up in smoke on the altar – it is a gift of a soothing aroma to the Lord.

Leviticus 13:5

13:5 The priest must then examine it on the seventh day, and if, as far as he can see, the infection has stayed the same and has not spread on the skin, then the priest is to quarantine the person for another seven days.