3.1.4.2.2 Writing Working Hours

The client MUST read any existing settings from the configuration data message, as specified in section 3.1.4.1. If any existing settings are found, the client MUST parse the XML document, as specified in section 2.2.5.2.

The client MUST generate the XML document as specified in section 2.2.5.2 and save it to the configuration data message as specified in section 3.1.4.2.