{"type": "object", "properties": {"CONTRACTID": {"type": "string", "description": "Intervention Contract Identifier"}, "DUID": {"type": "string", "examples": ["W/HOE#2"], "description": "Dispatchable Unit ID\nWARNING: This column may contain funny characters such as / (slash) or # (hash). This may break hive-style partitioning.\n"}, "ENDDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Terminate Date of contract\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "ENDPERIOD": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Terminate period of contract in trading interval"}, "LASTCHANGED": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Last changed date/time"}, "PARTICIPANTID": {"type": "string", "description": "Unique participant identifier"}, "REGIONID": {"type": "string", "enum": ["QLD1", "VIC1", "TAS1", "NSW1", "SA1", "SNOWY1"], "description": "Region Identifier"}, "STARTDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Starting Date of Contract\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "STARTPERIOD": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Starting period of contract"}, "DEREGISTRATIONDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Not Used\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "DEREGISTRATIONPERIOD": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Not Used"}}, "required": ["CONTRACTID"], "description": "INTCONTRACT shows intervention contract details. These are specific to each intervention.\nINTCONTRACT became unused when Ancillary Services Review was implemented\nin 2001.\n\nConfidential to participant\n\nSource\n\nINTCONTRACT is unused; was updated as required."}