{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Regulation"],"not_rendered":{"defined_names":1},"read":"whole","date_system":"1900"}

{"sheet":"Regulation","index":0,"n_rows":7,"n_cols":8,"rows_kept":7}
["Historical Day-Ahead Regulation Offer Data Report"]
["WW_DAHBREGASM_ISO_<settlement_date>_<version>.CSV"]
["Date: <mm/dd/yyyy> and Version: <mm/dd/yyyy hh:mm:ss> GMT"]
[]
[{"$nulls":3},"Offer Information"]
["Trading Interval","Masked Lead Participant ID","Masked Asset ID","Regulation Low Limit","Regulation High Limit","Regulating Status","Automatic Response Rate","Regulation Offer Price"]
["Hour End","Number","Number","MW","MW","String","MW/Minute","$/MW"]