Pesachim 89: No Semikhah for Women
What if the Korban Pesachs were jumbled, and one of them was rendered problematic. Now what? A "residual korban" might be a good solution, though how that would work is also a good question. Also, the laying on of hands for the korban, a distinction between the Korban Pesach and a korban shelamim (for men, anyway). Also, when a father apportions the Korban Pesach to "the child who gets to Jerusalem first" - whether that's "bereirah" (retroactive clarification) or a father's pedagogical tool. Also, registration for a Korban Pesach stays open as long as there's a k'zayit for each person. Also…
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