Reference for Yoma 4:2
ואימא צוה דקרבנות דכתיב (ויקרא ז, לח) ביום צותו את בני ישראל דנין צוה מצוה ואין דנין צותו מצוה
- One may infer from [the word] ziwwah used before conformity<span class="x" onmousemove="('comment',' As in Lev. VIII, 34 where the phrase is, 'He commanded to do'.');"><sup>5</sup></span> for another case in which ziwwah is used also before conformity,<span class="x" onmousemove="('comment',' As in the case of the red heifer where too it is, 'He commanded to do'.');"><sup>6</sup></span> but one may not infer ziwwah is used before conformity<span class="x" onmousemove="('comment',' As in Lev. VIII, 34 where the phrase is, 'He commanded to do'.');"><sup>5</sup></span> for ziwwah used after conformity.<span class="x" onmousemove="('comment',' As in the case with the Day of Atonement, where the text is, 'and he did as the Lord commanded'.');"><sup>7</sup></span>