Final answer:
Tying down manufactured homes is regulated by local building codes, state regulations, and federal guidelines.
Step-by-step explanation:
Tying down manufactured homes is regulated by a combination of local building codes, state regulations, and federal guidelines. These standards help ensure the safety and stability of manufactured homes, especially in areas prone to natural disasters.
Local building codes establish specific requirements for tying down manufactured homes within a particular jurisdiction. State regulations may add further specifications and requirements, depending on the state. Finally, federal guidelines, such as the Department of Housing and Urban Development's Manufactured Home Construction and Safety Standards, provide a national framework for tying down manufactured homes.
Therefore, the correct answer is 4) All of the above.