Numbers 15:19 in the World English Bible
then it shall be that when you eat of the bread of the land, you shall offer up a wave offering to the LORD.
Context
18 Speak unto the children of Israel, and say unto them, When ye come into the land whither I bring you,
19 Then it shall be, that, when ye eat of the bread of the land, ye shall offer up an heave offering unto the LORD.
20 Ye shall offer up a cake of the first of your dough for an heave offering: as ye do the heave offering of the threshingfloor, so shall ye heave it.