Sefer HaMitzvot, Negative Commandments
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הזהירנו מהקדיש בעלי מומין לגבי מזבח, והוא אמרו יתברך כל אשר בו מום לא תקריבו ואמרו הרי הוא עובר משום בל תקדיש. (אמור אל הכהנים, הלכות איסורי מזבח פ"א):
Sefaria Edition 2021, Translated by Rabbi Francis Nataf
He prohibited us from consecrating animals with blemishes on the altar. And that is His, may He be blessed, saying, "You shall not offer anything that has a blemish" (Leviticus 22:20). And they said (Sifra, Emor, Section 7:4), "Behold, he transgresses on account of, do not consecrate." (See Parashat Emor; Mishneh Torah, Things Forbidden on the Altar 1.)