Substantive Law is statutory or written law creating rights and obligations, remedies and duties for those who are subject to it. Substantive law defines a legal relationship among the members of society and between the members of society and they state. It defines the crimes and punishments in Criminal Law s and the rights and responsibilities of Civil Law .
Substantive law contrast Procedural Law where procedural law defines the inner workings of the legal system stating written guidelines and limitation to how the legal process should work.