Reference for Temurah 26:21

דתניא

If he holds with the authority who says that the surpluses go for freewill gifts of the congregation, then actually exchange cannot be effected, since a congregation cannot effect exchange! - Then R'Simeon will hold with the authority who says that the surpluses go for freewill gifts of individuals.<span class="x" onmousemove="('comment',' The owners themselves bring a burnt-offering as a gift but not to carry out an obligation.');">¹⁹</span>

Jastrow

Jastrow