Tractate Chullin - Chapter 5 - Mishnah 2 חולין פרק ה׳ משנה ב׳

If [the first animal was] unconsecrated and [the second] consecrated [and they were both slaughtered] outside [the sanctuary], the first is valid and [he who slaughtered it is] not liable, but [he who slaughtered] the second incurs forty lashes and it is invalid. If [the first was] consecrated and [the second] unconsecrated [and they were both slaughtered] outside [the sanctuary], [he who slaughtered] the first incurs the penalty of karet and it is invalid, and the second [animal] is valid, and each incurs forty lashes. If [the first was] unconsecrated and [the second] consecrated [and they were both slaughtered] inside [the sanctuary], they are both invalid, and [he who slaughtered] the second incurs forty lashes. If [the first was] consecrated and [the second] unconsecrated [and they were both slaughtered] inside [the sanctuary], the first animal is valid and [he who slaughtered it is] not liable, but [he who slaughtered] the second incurs forty lashes and it is invalid. If both were unconsecrated and [the first was slaughtered] outside [the sanctuary] and [the second] inside, the first is valid and [he who slaughtered it is] not liable, but [he who slaughtered] the second incurs forty lashes and it is invalid. If both were consecrated and [the first was slaughtered] outside [the sanctuary] and [the second] inside, [he who slaughtered] the first incurs the penalty of karet, each incurs forty lashes, and both animals are invalid. If both were unconsecrated and [the first was slaughtered] inside [the sanctuary] and [the second] outside, the first is invalid and [he who slaughtered it is] not liable, but [he who slaughtered] the second incurs forty lashes and it is valid. If both were consecrated and [the first was slaughtered] inside [the sanctuary] and [the second] outside, the first is valid and [he who slaughtered it is] not liable, but [he who slaughtered] the second incurs forty lashes and it is invalid.