Mishnayos Gittin Perek 9 Mishnah 5

With regard to a case of two men who sent their wives two identical bills of divorce with an agent, as both their names and their wives’ names are identical, and the two bills of divorce were mixed up, the agent should hand both bills of divorce to this wife and both of them to that wife, so that each wife definitely receives her bill of divorce, although it is unclear which one is hers. Therefore, if one of the bills of divorce was lost before it was given to both women, the other is void, because it is unknown which bill of divorce was meant for which woman. With regard to five husbands who wrote a general wording in the bill of divorce, i.e., who wrote one common bill of divorce for their wives with a single formula, writing that so-and-so divorces his wife so-and-so, and so-and-so divorces so-and-so, and the witnesses signed below, in this case all of these bills of divorce that were combined into one bill are valid; and the bill must be handed to each and every wife individually, so they will all be divorced by it. If the scribe was writing a separate formula in the bill of divorce for each and every couple, and the witnesses signed below, the formula with which the witnesses’ signatures are read is valid. In other words, the formula directly underneath which they signed is valid, and the others are not valid.

שְׁנַיִם שֶׁשָּׁלְחוּ שְׁנֵי גִטִּין שָׁוִין וְנִתְעָרְבוּ, נוֹתֵן שְׁנֵיהֶם לָזוֹ וּשְׁנֵיהֶם לָזוֹ. לְפִיכָךְ, אָבַד אַחַד מֵהֶן, הֲרֵי הַשֵּׁנִי בָטֵל. חֲמִשָּׁה שֶׁכָּתְבוּ כְלָל בְּתוֹךְ הַגֵּט, אִישׁ פְּלוֹנִי מְגָרֵשׁ פְּלוֹנִית וּפְלוֹנִי פְּלוֹנִית, וְהָעֵדִים מִלְּמַטָּה, כֻּלָּן כְּשֵׁרִין, וְיִנָּתֵן לְכָל אַחַת וְאֶחָת. הָיָה כָתוּב טֹפֶס לְכָל אַחַת וְאַחַת, וְהָעֵדִים מִלְּמַטָּה, אֶת שֶׁהָעֵדִים נִקְרִין עִמּוֹ, כָּשֵׁר: