Parashas Vayikra · Aliyah 2 · Passuk 17
Chabad.org — English translation + Rashi
Torah Temima points to Toras Kohanim (verified).
English: “He shall not sever” — might one think that if he did sever, it is invalid? The Torah states “and he shall cause it to smoke” [even then it is offered].
Custom (two-phrase resolution).
Ideal practice is not to fully separate the halves; if one did fully separate, the offering is still burned.