Reference for Bekhorot 53:22

והני מילי באכילה אבל בנגיעה לית לן בה

and throws it in the oven, and then separates other hallah<span class="x" onmousemove="('comment',' This implies that where there is a minor who is a priests we do not demand the separation of two hallahs. In places, however, near the Holy Land, two hallahs are required to be separated, one for the fire and the other for the priest.');">¹⁹</span>

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