Exodus 29:24 instructs waving the whole set of consecration items; this verse singles out the breast, showing the specific component within that wave offering ritual.

Exodus 29:34 provides the rule for leftover consecration flesh, complementing the assignment of the breast portion here by addressing what happens to the rest.

Leviticus 8:29 records the actual performance of this command: Moses takes the breast and waves it as his portion, confirming the instruction was carried out.

Numbers 18:18 makes the wave breast a permanent priestly portion, establishing the principle exemplified here with Moses as an ongoing law.