Cross reference
Numbers 15:21
21 Of the first of your dough you shall give to Yahweh a heave-offering throughout your generations.
Exodus 29:28
28 and it shall be for Aaron and his sons as their portion forever from the children of Israel; for it is a heave-offering: and it shall be a heave-offering from the children of Israel of the sacrifices of their peace-offerings, even their heave-offering to Yahweh.
Numbers 18:26
26 Moreover you shall speak to the Levites, and tell them, When you take of the children of Israel the tithe which I have given you from them for your inheritance, then you shall offer up a heave-offering of it for Yahweh, a tithe of the tithe.