Leviticus 5:4-5

New King James Version

⁴ ‘Or if a person ^[a]swears, speaking thoughtlessly with his lips ^(A)to do evil or ^(B)to do good, whatever it is that a man may pronounce by an oath, and he is unaware of it—when he realizes it, then he shall be guilty in any of these matters.

⁵ ‘And it shall be, when he is guilty in any of these matters, that he shall ^(C)confess that he has sinned in that thing;