Cognizance under the Code on Social Security requires complaint or notified officer and prior sanction by the notified authority. Cognizance under the Code on Social Security arises only on complaint by an aggrieved person or an officer notified by the Central or appropriate Government; prosecution requires prior sanction by the authority so notified; offences under this Chapter must be tried only by courts not inferior to a Metropolitan Magistrate or a Judicial Magistrate of the first class; multiple aggrieved persons may file a single joint complaint for the same or similar offence within the court's jurisdiction.