Midrash for Bekhorot 54:5
טמא מת טובל ואוכל בתרומת חוצה לארץ
The law however is not in accordance with his view.<span class="x" onmousemove="('comment',' Which required him to bathe but even bathing is not necessary, since it is terumah from abroad (Tosaf.) According to Rashi, however, it appears that the law is that one made unclean through a corpse may not eat terumah from abroad and Rabbenu Gershom says explicitly that this is the case.');"><sup>4</sup></span>
Sifrei Devarim
(Devarim 15:20) "Before the L-rd your G-d shall you eat it, year by year": We are hereby taught that a bechor is eaten for two days — one day in this year, and one day in the next year.
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