Parashas Acharei Mos · Passuk 16:30
Chabad.org — English translation + Rashi
Torah Temima points to Kerisos 25b.
English: Those obligated in a suspended asham whose Yom Kippur has passed are exempt from bringing it afterward — a sin known only to Heaven is atoned by the day itself.
Asham taluy after Yom Kippur
Yom Kippur clears the obligation of an asham taluy for a doubtful sin of which only God is aware.