Leviticus 5:1

Additional Sin Offering Regulations

5:1 “‘When a person sins in that he hears a public curse against one who fails to testify and he is a witness (he either saw or knew what had happened) and he does not make it known, then he will bear his punishment for iniquity.

Exodus 16:36

16:36 (Now an omer is one tenth of an ephah.)