Reference for Moed Katan 31:2
ר"ש אומר (יחזקאל מד, כז) בבאו יקריב בזמן שראוי לביאה ראוי להקרבה בזמן שאינו ראוי לביאה אינו ראוי להקרבה
[implies that only] when he is fit to go into the sanctuary he is fit to offer up [his own oblation]: and when he is not fit to go into the sanctuary, he not fit to offer up [his own oblation].<span class="x" onmousemove="('comment',' That is, R. Simeon does not allow a leper and common priest or a layman to send his offerings to the Temple until after his purification and atonement by sacrifices. For a leper had to attend in person to be purified by the stated ceremony (Lev. XIV, 11, 14-18, 20) .');"><sup>3</sup></span> Raba said: Whence do we know<span class="x" onmousemove="('comment',' Scripturally.');"><sup>4</sup></span> the regulation that we send a messenger of the Court?<span class="x" onmousemove="('comment',' So amended by Bah. V. D.S. To invite one to a suit.');"><sup>5</sup></span>