Chasidut על שמות 9:3

Exodus 9,3. “and to the Children of Israel say as ‎follows: ‘take a he-goat for a sin offering;” this verse concludes ‎with the words: “as well as an ox and a ram as a peace offering ‎to slaughter in the presence of the Lord and a gift offering ‎soaked in oil, for on this day the Lord has appeared to ‎you” (collectively). This verse which sounds as if it was an ‎afterthought, raises the question how this was possible as we ‎have a rule (Pessachim 96) that any animal designated as a ‎sacrificial animal must undergo at least 4 days of examination to ‎determine if it is not blemished in any way. Why did G’d ‎command to take these animals and present them as sacrifices on ‎the same day they had been selected without their having to ‎undergo the four day period during which they would be ‎examined as to the state of their fitness? The fact that this ‎occurred on the same day is evident from the fact that Aaron did ‎not descend from the altar and bless the people until all the ‎animals and the gift offering had been presented (verse 23).‎