Reference for Chullin 271:18

טלית שאולה פטורה מן הציצית כל שלשים יום

For Rab Judah said: A borrowed garment is for the first thirty days exempt from zizith.<span class="x" onmousemove="('comment',' For it is not 'thy covering'; v. supra 110b.');">¹⁵</span>

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