Question

Discuss the following scenarios and analyze the effect and application of mandatory, prohibitory, and permissive laws:

1. A provision in a local government ordinance stating that all commercial establishments must close by 9:00 PM.
2. A law requiring every citizen to wear a face mask in public places during a declared state of emergency.
3. A provision in a contract stating that one party "shall not assign this agreement without the prior written consent of the other party."
4. A law allowing the use of recreational marijuana, but only for individuals over 21 years old and in designated areas.

Explain the legal consequences and obligations imposed by each of the above-mentioned scenarios in relation to mandatory, prohibitory, and permissive laws.