Reference for Taanit 54:8

באחד בשבת מ"ט לא אמר ר' יוחנן מפני הנוצרים ר' שמואל בר נחמני אמר מפני שהוא שלישי ליצירה

[God] replied: I have already long ago provided for them in the Torah the order of sacrifices and whenever they read it I will deem it as if they had offered them before me and I will grant them pardon for all their iniquities. Our Rabbis have taught: The men of the Mishmar<span class="x" onmousemove="('comment',' The lay representatives at the Temple sacrifices (Rashi) . [They are loosely designated the Men of the Mishmar because they were attached to a priestly division (v. Me'iri and Malter, a.l.) .]');">⁹</span>

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