be deferred until that service has been performed?
No. Registrants should evaluate first whether the undelivered service is essential to the functionality of the delivered equipment.12 Examples of indicators that installation is essential to the functionality of equipment include: • The installation involves significant changes to the features or capabilities of the equipment or building complex interfaces or connections; • The installation services are unavailable from other vendors.13 Conversely, examples of indicators that installation is not essential to the functionality of the equipment include: • The equipment is a standard product; • Installation does not significantly alter the equipment’s capabilities; • Other companies are available to perform that job.14 If the undelivered service is essential to the functionality of the delivered equipment, revenue recognition should be deferred until that service has been performed.15 If it is determined that the undelivered service is not essential to the functionality of the delivered p