Related for Sanhedrin 175:4

החרמים בפלוגתא דרבי יהודה בן בתירה ורבנן דתנן ר' יהודה בן בתירה אומר סתם חרמים לבדק הבית שנאמר (ויקרא כז, כח) כל חרם קדש קדשים הוא לה'

The Sages maintain, his declaration is null.<span class="x" onmousemove="('comment',' Ar. 5a. Since there is no law of dedication for such an age. Now, extinction may result in the following two ways: — (i) If the Temple overseer took a pledge for the infant's value, in R. Meir's opinion this becomes hekdesh (consecrated), in the Rabbis', it does not. Hence according to the latter, if this pledge was used as kiddushin, it is valid; according to R. Meir, it is valid only if so used with the full knowledge that it was hekdesh, but not otherwise, as stated in Kid. 22b — v. p. 579 n. 3 (ii) Since according to R. Meir it is hekdesh, if unwittingly used, a trespass offering must be brought, which if eaten by an unclean person, involves the offender in extinction. But in the view of the Rabbis it is not hekdesh, and the use thereof does not necessitate an offering, and if one erroneously, believing himself to have incurred a liability thereto, brings a trespass offering, the sacrifice is invalid, and consequently the eating thereof by an unclean person does not entail extinction. ');">⁴</span>

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