Designating One Bird for Sin and One for Ascent

Another interpretation: what does Scripture teach by saying "one for a sin offering and one for a burnt offering"? One might have thought that since the two come in place of one, both should be a sin offering. Scripture therefore teaches, saying, "one for a sin offering and one for a burnt offering" - the two are not both for a sin offering, and they are not both for a burnt offering, but rather one is for a sin offering and one is for a burnt offering. "And he shall bring" - that the owners should designate them, one for a sin offering and one for a burnt offering. From where do we learn that if the priest designated them, his designation is valid? Scripture teaches, saying, "one for a sin offering and one for a burnt offering." "And he shall bring them to the priest" - "and he shall bring," even after the Day of Atonement. "Them" - teaching that a bird offering has no redemption. "To the priest" - teaching that the owner is responsible for the trouble of bringing them.