If the place which the LORD your God has chosen to put his name there is too far from you, then you shall kill of your herd and of your flock, which the LORD has given you, as I have commanded you, and you shall eat in your gates whatsoever your soul desires.
All Commentaries on Deuteronomy 12:21 Go To Deuteronomy 12
George Leo Haydock
AD 1849
Far off. Hence many conclude, that those who lived near the tabernacle, were bound to bring the animals which they designed for their own use, to be slain there, as they did in the desert. Others suppose that all were under the same predicament, and are hereby authorized to follow the same regulations, and to eat the flesh, whether they be clean or otherwise, provided they abstain from the blood. See Leviticus xvii. 3. (Calmet)
The custom of bringing the beasts to be slain before the door of the tabernacle, was to be no longer obligatory. (Menochius)