Controls the restrictions placed on a device’s use of the Time Synchronization service. If the list is of length zero, a device is prohibited from automatically sending a Time Synchronization request. If the list is of length one or more, a device automatically sends a Time Synchronization request but only to the devices or addresses listed. If it is present, this attribute is writable. If the PICS indicates that this device is a Time Master, then Time Synchronization Recipients is present.
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