Answer:
This will be stage 4 of Kohlberg's Stage of Moral Development.
Explanation:
Lawrence Kohlberg did more work on the already formed theory of the moral development of children by Jean Piaget. Kohlberg made three levels and subdivided each level into further 2 stages.
The stage 4 of Kohlberg's Stage of Moral Development is Law-and-Order Orientation.
Rules are considered to be same for everyone living in a society and obeying such rules is considered as important and valuable. Moral reasoning in stage 4 is above and beyond the approval of individual's need.
So, Heinz should not steal the drug because in law it is not allowed and it is considered as illegal.If he does so, he will have to bear the punsihment as described the state's law.