What information about the firm must appear on a Red label?

The requirement for a firm to display specific information on a Red label is rooted in regulatory standards that promote transparency and accountability. The correct choice is the one that specifies the need for the firm's name, address, telephone number, and registration number. This comprehensive information ensures that anyone can contact the firm easily, verify their registration status, and understand their location.

In the context of fire alarm regulations in Texas, having this information readily available helps maintain public safety by allowing individuals and authorities to quickly verify the legitimacy of the firm handling fire alarm systems. It is essential for firms in this sector to provide detailed contact information and proof of registration to ensure trust and traceability. This requirement safeguards consumers and enhances the professionalism of the industry.

Options that suggest less information, such as only the firm's name, address, or registration number, lack the necessary elements that ensure full transparency and accountability in business operations. These options do not comply with the regulatory requirements set forth for firms in the fire alarm sector.