Not to slaughter consecrated animals outside the Temple courtyard

That He prohibited us from slaughtering any of the sacrifices outside. And this is called, slaughtering outside. And at the beginning of Keritot (Mishnah Keritot 1:1), when they listed all those that are liable for excision (karet), they counted one who slaughters outside and one who offers [the sacrifices] outside as two. Indeed, if one slaughters outside, he is liable for excision - even if he does not bring [it] up - from the time he slaughtered it. That is the language of the Torah; and that is His saying, "who slaughters an ox or sheep or goat in the camp, or slaughters outside the camp, and does not bring it to the entrance of the Tent of Meeting, etc." (Leviticus 17:3-4). Nevertheless, the prohibition about this - meaning to say, slaughtering outside - is not explicit, but is rather learned from the precept that He does not punish unless He prohibited, which we situated as a principle in our introduction with which we introduced [all] of these commandments. And the language of the Gemara, Zevachim (Zevachim 106a), is, "[One who brings up and slaughters outside is liable for two.] Granted, for bringing up, the punishment is written, and the prohibition is written: The punishment, 'he will be excised' (Leviticus 17:9); the prohibition, 'Take care lest you bring up' (Deuteronomy 12:13). [This is] in accordance with Rabbi Avin, who says, 'Wherever it is stated in the Torah, Observe; Lest; or Do not, it is nothing except a prohibition.' But [for] slaughtering, why is one liable? Granted the punishment is, 'he shall be excised from among his people.' [But] from where [do we know] its prohibition?" And after [many] words, the [conclusive] statement came out with this language (Zevachim 107a): "He said, 'there you shall bring up your burnt offerings and there you shall do' (Deuteronomy 12:14). It compares doing to bringing up - just like [with] bringing up, He punished and prohibited; so too, [with] doing, He punished and prohibited." With their saying, "there you shall bring up [...] and there you shall do," it is an indication that His saying, "there you shall bring up your burnt offerings" - and that is the offering, meaning its incineration on the fire - [can be compared to] His saying, "there you shall do like everything I command you," which includes this offering, [as well as] the slaughtering. For He also commanded the slaughtering. And know that one who slaughters outside inadvertently is liable for a fixed sin-offering. And it is necessary that you know that one who slaughters consecrated animals at this time outside the location of the courtyard is liable for excision. And in the explanation, they said (Zevachim 107b), "One who brings up [a sacrifice] outside: Rabbi Yochanan says, 'He is liable.'" And that is the law, for it is fitting to offer [even today]. And the true principle with us is [that] we may sacrifice, even though there is no Temple. And the regulations of this commandment have already been explained in the thirteenth [chapter] of Zevachim. (See Parashat Acharei Mot; Mishneh Torah, Sacrificial Procedure 18.)