Reference for Menachot 87:18

וכל כהן שאינו עולה לדוכן עובר בג' עשה

R'Shesheth said, Whosoever does not put on the tefillin transgresses eight precepts;<span class="x" onmousemove="('comment',' For in each of the four Scriptural texts of the tefillin there is a twofold injunction, namely, to place the tefillin upon the hand and upon the head; hence the non-observance of this law involves the transgression of these eight commands. V. Rashi.');">¹¹</span> and whosoever has not zizith attached to his garment transgresses five precepts;<span class="x" onmousemove="('comment',' The four precepts stated in Num. XV, 38 and 39, and the fifth in Deut. XXII, 12.');">¹²</span>

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