The potential legal or regulatory requirements for using steel props may vary depending on the jurisdiction and specific industry. However, some common requirements could include ensuring compliance with workplace health and safety regulations, obtaining necessary permits or licenses for construction projects, adhering to building codes and standards, and conducting regular inspections and maintenance to ensure the props are safe and fit for use. It is important to consult with local authorities and relevant industry regulations to determine the specific legal or regulatory requirements for using steel props in a particular context.