Numbers 15:17-21 - Rules For First Fruits
17 Jehovah gave Moses 18 the following regulations for the people of Israel. They are to observe them in the land he was going to give them. 19 When any food produced there is eaten, some of it is to be set aside as a special contribution to Jehovah. 20 When you bake bread, the first loaf of the first bread made from the new grain is to be presented as a special contribution to Jehovah. This is to be presented in the same way as the special contribution you make from the grain you thresh. 21 For all time to come, this special gift is to be given to Jehovah from the bread you bake.