Tzav - in The Liturgy

In The Liturgy

Many Jews read excerpts from and allusions to the instructions in the parashah as part of the readings on the offerings after the Sabbath morning blessings. Specifically, Jews read the instructions for the taking of the ashes in Leviticus 6:1–6, read the instructions for the offerings in Leviticus 6:5, and allude to the thanksgiving offerings of Leviticus 7:12.

The prohibition in Leviticus 7:19–20 of eating of sacrificial meat by anyone ritually contaminated provides an application of the eighth of the Thirteen Rules for interpreting the Torah in the Baraita of Rabbi Ishmael that many Jews read as part of the readings before the Pesukei d’Zimrah prayer service. The rule provides that an item included in a generalization that is then singled out to teach something is singled out not to teach only about that particular item but about the generalization in its entirety. Leviticus 7:19 prohibits the eating of sacrificial meat by anyone ritually contaminated, and Leviticus 7:20 then singles out the peace offering and states that a contaminated person who eats the peace offering is subject to excision (כָּרֵת, kareit). Applying the eighth rule teaches that the punishment of excision applies to a contaminated person who eats any of the offerings.

The role of Moses as a priest in Leviticus 8:14–30 is reflected in Psalm 99:6, which is in turn one of the six Psalms recited at the beginning of the Kabbalat Shabbat prayer service.