Reference for Eruvin 141:13

<big><strong>מתני׳</strong></big> בעל הבית שהיה שותף לשכניו לזה ביין ולזה ביין אינן צריכין לערב

is like conferring acquisition<span class="x" onmousemove="('comment',' [Reading instead of of cur. edd. v. Tosaf. s.v. ].');">²⁶</span> of a domain [to another], but conferring acquisition of a domain on the Sabbath is forbidden;<span class="x" onmousemove="('comment',' Because it is on a par with a commercial transaction. Hence their prohibition of renunciation on the Sabbath.');">²⁷</span> while Beth Hillel are of the opinion that renunciation is merely the giving up of one's domain, and the giving up of a domain on the Sabbath is perfectly permissible.

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