See Something, Say Something Act - Amends the Child Abuse Prevention and Treatment Act to require the state plan under a grant from the Secretary of Health and Human Services (HHS) for child abuse and neglect prevention and treatment programs to contain an assurance in the form of a certification by the state governor that the state has in effect and is enforcing a state law prescribing a criminal penalty against any person age 18 or older who fails to report to a state or local law enforcement official or child protective services that the person has knowledge of child abuse or neglect that occurred in the state.