Reference for Yoma 100:4
אי בתר מקדיש אזלינן אי בתר מתכפר אזלינן
[Shall we say, as to] whether [the validity of a substitute] is dependent on him who consecrated it, or on him who attains atonement thereby?<span class="x" onmousemove="('comment',' This is the problem: If it is determined by the one who consecrated then in his case the substitute would be valid, since it is the high priest, from whose possession it comes, who consecrated it. If, however, it depends on those who obtain forgiveness, then no such substitution would be possible. There are many. i.e., his fellow-priests, who obtain forgiveness with the bullock, and no substitute can be made in the case of a sacrifice of partners. (9) If someone consecrates an animal for his fellow, whose duty is thereby to be fulfilled, and it suffers a blemish and he wishes to redeem it, the one who consecrated it is considered its owner and must add a fifth to its value (v. Lev. XXVII, 19) . whereas he who is to obtain atonement thereby, would not have to add the fifth, because Scripture insists (ibid.) : And he that sanctified...will redeem it, then he shall add the fifth part of the valuation.');"><sup>4</sup></span> Obviously [it may be objected] we make it dependent on him who obtains atonement thereby.<span class="x" onmousemove="('comment',' This is the problem: If it is determined by the one who consecrated then in his case the substitute would be valid, since it is the high priest, from whose possession it comes, who consecrated it. If, however, it depends on those who obtain forgiveness, then no such substitution would be possible. There are many. i.e., his fellow-priests, who obtain forgiveness with the bullock, and no substitute can be made in the case of a sacrifice of partners. (9) If someone consecrates an animal for his fellow, whose duty is thereby to be fulfilled, and it suffers a blemish and he wishes to redeem it, the one who consecrated it is considered its owner and must add a fifth to its value (v. Lev. XXVII, 19) . whereas he who is to obtain atonement thereby, would not have to add the fifth, because Scripture insists (ibid.) : And he that sanctified...will redeem it, then he shall add the fifth part of the valuation.');"><sup>4</sup></span>