See Business Process Model Page 1 on page 2-2 for the business process diagram associated with this activity.Group: Pre-process ActivityActor/Role: SGGDescription: SGG validates the availability and correctness of required information to create Activity. Usually system checks Requester information, Device information, Effective Date/Time and Expiration Date/Time, Type of Requested Measurement (Existing or Initial), etc. Prior to this, SGG identifies the Activity Type to be assigned to the Activity.Note: Typically system has different Activity types configured to reflect different business scenarios for scalar and interval. Echelon support both Scalar and Interval.