Zevachim 13:7-8

Zevachim 13:7

If a person nipped the head of a bird inside and offered it outside, he is liable; if he both nipped it and offered it outside, he is exempt. If a person slaughtered a bird inside and offered it outside, he is exempt; if he both slaughtered and offered it outside, he is liable. Accordingly, that which renders a sacrifice valid when performed inside (nipping) exempts a person when performed outside, while that which renders a sacrifice valid when performed outside (slaughtering) exempts a person when performed inside. [If a person slaughtered an animal inside at night and offered it outside, he is exempt; if he slaughtered outside at night and offered it, he is liable. Based on this,] Rabbi Shimon observed that whatever one is liable for performing outside, he is liable for a similar act performed inside when he offers it outside except for slaughtering a bird inside and offering it outside.

Zevachim 13:8

If a person collected the blood of a sin offering in one bowl and sprinkled it outside and then inside, or inside and then outside, he is liable because all of it is meant to be taken inside. If he collected the blood in two bowls and sprinkled from them both inside, he is exempt; outside, he is liable. If he sprinkled from one inside and then from the other outside, he is exempt; from one outside and then the other inside, he is liable because of the one he sprinkled outside but the one he sprinkled inside nevertheless effects atonement. This is comparable to a person who designated a sin offering but it got lost, so he designated a replacement, after which the first one was found. If he slaughtered both of them inside, he is exempt; outside, he is liable. If he slaughtered one inside and then the other outside, he is exempt; one outside and then the other inside, he is liable because of the one slaughtered outside but the one slaughtered inside still effects atonement. Just as sprinkling the blood exempts the sacrifice’s flesh from liability for misappropriation, so does it exempt the flesh of the other animal.