

The High Priest must perform the Yom Kippur service exactly as prescribed, in the proper order.
This mitzvah commands the Kohen Gadol to perform the unique Yom Kippur service (Avodat Yom HaKippurim) as detailed in Leviticus 16. It includes offering the bull for atonement, the goat for Hashem, the scapegoat (se’ir la’azazel), entering the Holy of Holies with incense, sprinkling blood, and concluding offerings. Rambam (Hilchot Avodat Yom HaKippurim 1:1) stresses that any deviation invalidates the service.
Sefer HaChinuch (Mitzvah 185) teaches that this mitzvah establishes a once-yearly purification of Israel and the Mikdash. The Talmud (Yoma 32a–34a) outlines the precise order, emphasizing that omissions or reversals invalidate the avodah. Rashi (Lev. 16:3) explains “with this” as denoting exact procedure. Ramban adds that Yom Kippur’s avodah symbolizes renewal of the covenant, where Israel and Hashem are reconciled.
Commentary & Classical Explanation:
Contrast with Yom Kippur Musaf (Mitzvah 389):
Parallel to Daily Service (Mitzvah 373):



The High Priest must perform the Yom Kippur service exactly as prescribed, in the proper order.
This mitzvah commands the Kohen Gadol to perform the unique Yom Kippur service (Avodat Yom HaKippurim) as detailed in Leviticus 16. It includes offering the bull for atonement, the goat for Hashem, the scapegoat (se’ir la’azazel), entering the Holy of Holies with incense, sprinkling blood, and concluding offerings. Rambam (Hilchot Avodat Yom HaKippurim 1:1) stresses that any deviation invalidates the service.
Sefer HaChinuch (Mitzvah 185) teaches that this mitzvah establishes a once-yearly purification of Israel and the Mikdash. The Talmud (Yoma 32a–34a) outlines the precise order, emphasizing that omissions or reversals invalidate the avodah. Rashi (Lev. 16:3) explains “with this” as denoting exact procedure. Ramban adds that Yom Kippur’s avodah symbolizes renewal of the covenant, where Israel and Hashem are reconciled.
Commentary & Classical Explanation:
Contrast with Yom Kippur Musaf (Mitzvah 389):
Parallel to Daily Service (Mitzvah 373):




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