יז שָׁחַט אֶחָד מֵהַסִימָנִים וְנִמְצָא הַשֵּׁנִי שָׁמוּט, וְאֵין יָדוּעַ אִם קֹדֶם שְׁחִיטָה נִשְׁמַט אוֹ אַחַר שְׁחִיטָה, הֲרֵי זוֹ פְּסוּלָה.
Seif 17
If one slaughters one of the signs and the second was found to be displaced but it is not known [if it was displaced] before the slaughter or after the slaughter. This [slaughter] in not acceptable.