סימן כו – דין נקב בושט או בבני מעים קדם (גמר)השחיטה, ובו ב’ סעיפים
Siman 26 The law if there is a puncture in the esophagus or the intestines before the ritual slaughter has been completed
א נִקַּב הַוֵּשֶׁט בִּשְׁעַת שְׁחִיטָה כְּנֶגֶד הַמָּקוֹם שֶׁשָּׁחַט כְּבַר,טְרֵפָה.
Seif 1
If there is a puncture in the esophagus during the slaughter and its the opposite the spot of slaughter, its considered Torn (not acceptable).