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.

Numbers 18:19

18:19 All the raised offerings of the holy things that the Israelites offer to the Lord, I have given to you, and to your sons and daughters with you, as a perpetual ordinance. It is a covenant of salt forever before the Lord for you and for your descendants with you.”

Ezekiel 43:24

43:24 You will present them before the Lord, and the priests will scatter salt on them and offer them up as a burnt offering to the Lord.

Mark 9:49-50

9:49 Everyone will be salted with fire. 9:50 Salt is good, but if it loses its saltiness, how can you make it salty again? Have salt in yourselves, and be at peace with each other.”