What type of guidelines may encompass the actions of an assembly besides its own bylaws?

The correct answer pertains to applicable procedural laws, which encompass various regulations and statutes that govern the functioning of assemblies beyond their internal rules, known as bylaws. Procedural laws are designed to ensure that meetings and decision-making processes follow established legal frameworks, thereby providing a structure for the conduct of formal gatherings.

Bylaws may outline the specific rules and operating procedures of an assembly, but they operate within the broader context of procedural laws that dictate how organizations must conduct business, including aspects related to meeting notifications, quorum requirements, and voting procedures. These laws help maintain transparency, accountability, and fairness in the assembly's operations.

Other options, while relevant in different contexts, do not provide the same level of direct influence on the actions of an assembly. Common law refers to laws developed through court decisions and judicial rulings rather than legislative enactments, which may not directly dictate assembly procedures. State regulations could encompass a broad range of legal stipulations but might not specifically pertain to the procedural conduct of assembly operations. Constitutional mandates deal with fundamental principles and rights in a broader sense, rather than the detailed operational guidelines applicable to specific assemblies.