Reference for Gittin 126:9

מ"ט דרב איבעית אימא משום בזיון דבעל

It has been stated: [If the wife says], Receive my Get for me, and [the agent says to the husband], Your wife told me to receive her Get for her, and the husband says, Convey and give it to her, R. Abba said in the name of R. Huna, who had it from Rab, that he becomes both her agent and his agent, and [in case of need]<span class="x" onmousemove="('comment',' I.e., if the husband dies childless before she receives the Get. ');">⁶</span>

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