| Type : FreeFormEffectivePeriodType | 
| Elements | |||
| Duration | Indicates the duration of time as represented by ISO 8601. Where the value space is a six dimensional space where the coordinates designate the Gregorian year, month, day, hour, minute, and second. The number of seconds can include decimal digits to arbitary pecision. | ||
| EndDate | |||
| StartDate | |||
| Attributes | |||
| Attribute Group : EffectiveDateAttributeGroup | |||
| validFrom | This is formatted representation of a date, which may be specified as a date, date/time, year, or year/month. | ||
| validTo | This is formatted representation of a date, which may be specified as a date, date/time, year, or year/month. | ||
| Parents | 
| \AcknowledgeStaffingAssignment\DataArea\StaffingAssignment\StaffingContract\FrameAgreement |