Leviticus 5:2-4

or a if anyone touches an unclean thing, whether a carcass of an unclean wild animal or a carcass of unclean livestock or a carcass of unclean swarming things, and it is hidden from him and he has become unclean, and he realizes his guilt; or if he touches b human uncleanness, of whatever sort the uncleanness may be with which one becomes unclean, and it is hidden from him, when he comes to know it, and realizes his guilt; or if anyone utters with his lips a c rash oath to do evil or to do good, any sort of rash oath that people d swear, and it is hidden from him, when he comes to know it, and he realizes his guilt in any of these;
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