This Sin Offering is not burned on the Altar: Pesachim 59a Incinerating this offering, or putting it into the Temple stream [Amah] to decompose and be swept away if it is brought because of a doubtful obligation: Temurah 34a [2x]
The Left-Overs are burned: Pesachim 28a
Leaving one which is disqualified with a non-physical defect by the Altar, to become left-over before burning it: Pesachim 34a-b
Bringing it after the Afternoon Daily Offering for one who needs it for Purification to eat the Pesach Offering: Pesachim 59a