Midrash for Zevachim 46:6
ואיכא דדייק ומייתי הכי עון הקדשים אין עון מקדישין לא מאי טומאה אילימא טומאת שרץ מי אישתריא בציבור אלא לאו טומאת מת ועון קדשים אין עון מקדישים לא
If of a nazirite, the Divine Law saith, And if any man die very suddenly beside him, etc!<span class="x" onmousemove="('comment',' Num. VI, 9. Scripture proceeds to say that he must then bring certain sacrifices and re-commence his period of naziriteship, at the conclusion of which he brings the prescribed sacrifices on the shaving of his head. Thus whilst unclean he cannot bring the latter.');"><sup>8</sup></span> Hence it can only refer to one who is offering the Paschal lamb! - In truth it refers to [the uncleanness of] a reptile, yet uncleanness elsewhere [was waived].<span class="x" onmousemove="('comment',' Though the Scriptural permission to a community applies only to uncleanness through a corpse, yet since we find that same form of uncleanness is inoperative, it is logical to say that the propitiating powers of the headplate hold good in the case of uncleanness through a reptile.');"><sup>9</sup></span>