{"type": "object", "properties": {"CONTRACTID": {"type": "string", "description": "Reserve Trader Contract Identifier"}, "PERIODID": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Calendar settlement date period identifier, i.e. period 1 is 00:30"}, "VERSIONNO": {"type": "integer", "minimum": 0, "maximum": 65535, "description": "Reserve Trader Contract Version"}, "LASTCHANGED": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Last date and time record changed"}, "RCF": {"type": "string", "description": "Reserve Recovery Flag"}}, "required": ["CONTRACTID", "PERIODID", "VERSIONNO"], "description": "CONTRACTRESERVEFLAG has never been or will be used. It was to show a period by period flag for regional or market recovery of reserve trading contract amounts.\nCONTRACTRESERVEFLAG data is confidential to the relevant participant.\n\nSource\n\nCONTRACTRESERVEFLAG updates when we want to enter a reserve contract."}