If there was a defect in the animal, it would not be viewed as an acceptable sacrifice to Jehovah. Second, the person giving the sacrifice had to be clean and undefiled.
(‏ لا ١ :‏ ​ ٣ ،‏ ١٠ ،‏ ١٤ ؛‏ ٥ :‏ ٧‏ )‏ وَعَلَى ٱلرَّغْمِ مِنْ أَنَّ ٱلذَّبَائِحَ ٱلْحَيَوَانِيَّةَ ٱخْتَلَفَتْ بَعْضُهَا عَنْ بَعْضٍ ،‏ فَثَمَّةَ أَمْرَانِ كَانَا مَطْلُوبَيْنِ مِنْ كُلِّ شَخْصٍ يُقَدِّمُ ذَبَائِحَ طَوْعِيَّةً .‏