Reference for Zevachim 238:23

איכא דאמרי אמר רמי בר חמא לא שנו אלא בקדשי במה גדולה והקריבן בבמה גדולה אבל בקדשי במה קטנה אף על גב דקרבינהו בבמה גדולה אין חיצוי

If he consecrated them when bamoth were permitted and slaughtered and offered [them] up when bamoth were permitted, he is not liable to anything at all.<span class="x" onmousemove="('comment',' This last clause is obvious, and probably included merely for the sake of completeness. Tosaf. explains it thus: if one consecrated an animal for a burnt-offering, to be offered at the public bamah; even if he took it to the precincts of this bamah, and then took it out and sacrificed it at a private bamah, he is not liable.');">¹⁶</span>

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