{"type": "object", "properties": {"CONTRACTID": {"type": "string", "description": "Intervention Contract Identifier"}, "PERIODID": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Period Identifier based on calendar settlement date - YYYYMMDDPP."}, "VERSIONNO": {"type": "integer", "minimum": 0, "maximum": 65535, "description": "Intervention Contract Version"}, "AMOUNT": {"type": "number", "description": "Intervention Amount for Trading Interval"}, "LASTCHANGED": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Last date and time record changed"}, "RCF": {"type": "string", "description": "Regional Recovery Flag"}}, "required": ["CONTRACTID", "PERIODID", "VERSIONNO", "LASTCHANGED"], "description": "INTCONTRACTAMOUNT shows intervention contract amounts.\nINTCONTRACTAMOUNT became unused when Ancillary Services Review was\nimplemented in 2001.\n\nConfidential to participant\n\nSource\n\nINTCONTRACTAMOUNT updated with intervention contracts settlement\ncalculations."}