Menahot 83: The Timing of the Pesach Offering
On the sanctification of the many kinds of offerings, including the absorption into the sanctity. Plus, leading into the Pesach sacrifice, and when it might be invalidated as the korban Pesach, but still work as a peace-offering. Also, beginning chapter 9! Grain, oil, and wine, as used in the Temple service - from the new mishnah specifying where the grain can come from. The best grain, and from the land of Israel were required for the omer offering and the 2 loaves of Shavuot, but for most grain-offerings, there was a great deal of flexibility.
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