Which of the following must NOT change as a result of an alarm service subcontracting arrangement?

The correct choice indicates that contact information provided to the client must not change as a result of an alarm service subcontracting arrangement. Maintaining consistent contact information is crucial for effective communication between the service provider and the client. Changes in contact information could lead to confusion or delays in response during critical situations, such as alarm activations or emergencies.

Consistency in contact information ensures that clients can reliably reach a designated representative when needed. This stability helps maintain trust and ensures that clients know who to contact for assistance or inquiries regarding their services. Overall, preserving the original contact information supports effective operations and customer satisfaction, which are essential in the security industry.