Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 139
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 139, with English translation by Maimonides (Rambam).
שלא לאכול בשר חטאות הנעשות בפנים, שנאמר "וכל חטאת אשר יובא מדמה" (ויקרא ו,כג).
Not to partake of the meat of the sin offerings [whose blood is sprinkled] within [the Temple sanctuary], as [Leviticus 6:23] states: "Any sin offering whose blood has been brought...."