Regulated Balance Supplier (SLR/BSL) SYS-SLR104-01 SYS-SLR301-01 Update master data - balance supplier SYS-SLR303-01 Request master data SYS-SLR305-01 Bulk move of Balance Supplier portfolio SYS-SLR502-01 Reporting data for Imbalance Settlement SYS-SLR601-01 Request to Grid Owner SYS-SLR602-01 Request to Elhub SYS-BSL315-01 Request for metering values SYS-BSL502-01 Reporting data for Imbalance Settlement SYS-BSL601-01 Request to Grid Owner SYS-BSL602-01 Request to Elhub ×