Which law concerns the rights, duties, and penalties of individuals in their relationship with each...

Substantive law defines the legal relationship between individuals, including rights, duties, and legal obligations. It governs how people behave in society and outlines the legal consequences for certain actions.

Procedural law (A) refers to the methods and processes for enforcing substantive laws (e.g., court procedures).

Statutes suit (B) and Constructive law (D) are not standard legal classifications.