ISO 15118-2:2014
Road vehicles — Vehicle-to-Grid Communication Interface — Part 2: Network and application protocol requirements
ISO 15118-2:2014 specifies the communication between battery electric vehicles (BEV) or plug-in hybrid electric vehicles (PHEV) and the Electric Vehicle Supply Equipment. The application layer message set defined in ISO 15118-2:2014 is designed to support the energy transfer from an EVSE to an EV. ISO 15118-1 contains additional use case elements describing the bidirectional energy transfer. The implementation of these use cases requires enhancements of the application layer message set defined herein.
The purpose of ISO 15118-2:2014 is to detail the communication between an EV (BEV or a PHEV) and an EVSE. Aspects are specified to detect a vehicle in a communication network and enable an Internet Protocol (IP) based communication between EVCC and SECC.
ISO 15118-2:2014 defines messages, data model, XML/EXI based data representation format, usage of V2GTP, TLS, TCP and IPv6. In addition, it describes how data link layer services can be accessed from a layer 3 perspective. The Data Link Layer and Physical Layer functionality is described in ISO 15118-3.
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1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Conventions
5.1 Definition of OSI based services
5.2 Requirement structure
5.3 Usage of RFC references
5.4 Notation used for XML schema diagrams
6 Document overview
7 Basic requirements for V2G communication
7.1 General information
7.2 Service primitive concept of OSI layered architecture
7.2.1 Overview
7.2.2 Syntax of service primitives
7.3 Security concept
7.3.1 Call Flows (Flow Charts)
7.3.2 Certificate and key management
7.3.3 Number of root certificates and root validity, certificate depth and size
7.3.4 Support and Application of TLS
7.4 V2G communication states and data link handling
7.5 Data Link Layer
7.6 Network Layer
7.6.1 General
7.6.2 Applicable RFCs and limitations and protocol parameter settings
7.6.2.1 IPv6
7.6.2.2 Dynamic Host Control Protocol (DHCPV6)
7.6.2.3 Neighbor Discovery (ND)
7.6.2.4 Internet Control Message Protocol (ICMP)
7.6.3 IP Addressing
7.6.3.1 General
7.6.3.2 Stateless auto address configuration (SLAAC)
7.6.3.3 Address selection
7.7 Transport Layer
7.7.1 Transmission Control Protocol (TCP)
7.7.1.1 Overview
7.7.1.2 Applicable RFCs, limitations and protocol parameter settings
7.7.1.3 TCP Performance and checksum requirements
7.7.2 User Datagram Protocol (UDP)
7.7.2.1 Overview
7.7.2.2 Applicable RFC, limitations and protocol parameter settings
7.7.3 Transport Layer Security (TLS)
7.7.3.1 Overview
7.7.3.2 Applicable RFCs
7.7.3.3 Transport Layer Security Usage
7.7.3.4 Transport Layer Security Credentials and Cipher Suites
7.8 V2G Transfer Protocol
7.8.1 General Information
7.8.2 Supported ports
7.8.3 Protocol Data Unit
7.8.3.1 Structure
7.8.3.2 Header Processing
7.9 Presentation Layer
7.9.1 XML and Efficient XML Interchange (EXI)
7.9.1.1 Overview
7.9.1.2 Efficient XML Interchange
7.9.1.3 EXI Settings for application layer messages
7.9.2 Message Security
7.9.2.1 Overview
7.9.2.2 Application layer credentials and cipher suites
7.9.2.3 Contract Certificates as XML signature credentials
7.9.2.4 XML Security specifics for 'PnC' Message Set(s)
7.9.2.4.1 XML Data Structures for Application Layer Security
7.9.2.4.2 XML Signature mechanism
7.9.2.4.3 Encryption mechanism
7.9.2.4.4 Random Number Generation
7.9.2.4.5 Application of security mechanisms to XML message
7.9.2.5 Certificate Provisioning
7.10 Application Layer
7.10.1 SECC Discovery Protocol
7.10.1.1 General Information
7.10.1.2 Supported ports
7.10.1.3 Protocol Data Unit
7.10.1.3.1 Structure
7.10.1.3.2 Header Processing
7.10.1.4 SECC Discovery Request Message
7.10.1.5 SECC Discovery Response Message
7.10.1.6 Timing and Error Handling
7.10.1.7 Protocol and Security Options Handling
7.10.2 Vehicle to Grid application layer messages
7.10.3 Application layer service primitives
7.10.3.1 A-Data.request
7.10.3.2 A-Data.indication
7.10.3.3 A-Data.response
7.10.3.4 A-Data.confirmation
8 Application Layer messages
8.1 General information and definitions
8.2 Protocol handshake definition
8.2.1 Handshake sequence
8.2.2 Message definition supportedAppProtocolReq and supportedAppProtocolRes
8.2.3 Semantics description supportedAppProtocol messages
8.2.4 Message Examples
8.2.4.1 Protocol prioritization
8.2.4.2 Minor Deviation
8.3 V2G Message Definition
8.3.1 Overview
8.3.2 Message definition
8.3.3 Message Header Definition
8.3.4 Message Body Definition
8.4 V2G Communication Session and BodyElement Definitions
8.4.1 General
8.4.2 Session Handling
8.4.3 Common Messages
8.4.3.1 Overview
8.4.3.2 SessionSetupReq/Res
8.4.3.2.1 SessionSetupReq
8.4.3.2.2 SessionSetupRes
8.4.3.3 ServiceDiscoveryReq/Res
8.4.3.3.1 ServiceDiscoveryReq/Res Handling
8.4.3.3.2 ServiceDiscoveryReq
8.4.3.3.3 ServiceDiscoveryRes
8.4.3.4 ServiceDetailReq/Res
8.4.3.4.1 ServiceDetailReq
8.4.3.4.2 ServiceDetailRes
8.4.3.5 PaymentServiceSelectionReq/Res
8.4.3.5.1 Payment and Service Selection Handling
8.4.3.5.2 PaymentServiceSelectionReq
8.4.3.5.3 PaymentServiceSelectionRes
8.4.3.6 PaymentDetailsReq/Res
8.4.3.6.1 PaymentDetailsReq/Res Handling
8.4.3.6.2 PaymentDetailsReq
8.4.3.6.3 PaymentDetailsRes
8.4.3.7 AuthorizationReq/Res
8.4.3.7.1 AuthorizationReq
8.4.3.7.2 AuthorizationRes
8.4.3.8 ChargeParameterDiscoveryReq/Res
8.4.3.8.1 ChargeParameterDiscoveryReq/Res Handling
8.4.3.8.2 ChargeParameterDiscoveryReq
8.4.3.8.3 ChargeParameterDiscoveryRes
8.4.3.9 PowerDeliveryReq/Res
8.4.3.9.1 PowerDeliveryReq/Res Handling
8.4.3.9.2 PowerDeliveryReq
8.4.3.9.3 PowerDeliveryRes
8.4.3.10 CertificateUpdateReq/Res
8.4.3.10.1 CertificateUpdateReq/Res Handling
8.4.3.10.2 CertificateUpdateReq
8.4.3.10.3 CertificateUpdateRes
8.4.3.11 CertificateInstallationReq/Res
8.4.3.11.1 CertificateInstallationReq/Res Handling
8.4.3.11.2 CertificateInstallationReq
8.4.3.11.3 CertificateInstallationRes
8.4.3.11.4 Offline Certificate Installation
8.4.3.12 SessionStopReq/Res
8.4.3.12.1 SessionStopReq/Res Handling
8.4.3.12.2 SessionStopReq
8.4.3.12.3 SessionStopRes
8.4.3.13 MeteringReceiptReq/Res
8.4.3.13.1 MeteringReceiptReq/Res Handling
8.4.3.13.2 MeteringReceiptReq
8.4.3.13.3 MeteringReceiptRes
8.4.4 AC-Messages
8.4.4.1 Overview
8.4.4.2 ChargingStatusReq/Res
8.4.4.2.1 ChargingStatusReq/Res Handling
8.4.4.2.2 ChargingStatusReq
8.4.4.2.3 ChargingStatusRes
8.4.5 DC-Messages
8.4.5.1 Overview
8.4.5.2 CableCheckReq/Res
8.4.5.2.1 CableCheckReq/Res Handling
8.4.5.2.2 CableCheckReq
8.4.5.2.3 CableCheckRes
8.4.5.3 PreChargeReq/Res
8.4.5.3.1 PreChargeReq/Res Handling
8.4.5.3.2 PreChargeReq
8.4.5.3.3 PreChargeRes
8.4.5.4 CurrentDemandReq/Res
8.4.5.4.1 CurrentDemandReq/Res Handling
8.4.5.4.2 CurrentDemandReq
8.4.5.4.3 CurrentDemandRes
8.4.5.5 WeldingDetectionReq/Res
8.4.5.5.1 WeldingDetectionReq/Res Handling
8.4.5.5.2 WeldingDetectionReq
8.4.5.5.3 Welding Detection Response
8.5 Complex data types
8.5.1 Overview
8.5.2 Common
8.5.2.1 ServiceType
8.5.2.2 ServiceListType
8.5.2.3 ChargeServiceType
8.5.2.4 SupportedEnergyTransferModeType
8.5.2.5 CertificateChainType
8.5.2.6 MeterInfoType
8.5.2.7 PhysicalValueType
8.5.2.8 NotificationType
8.5.2.9 PaymentOptionListType
8.5.2.10 ChargingProfileType
8.5.2.11 ProfileEntryType
8.5.2.12 SAScheduleListType
8.5.2.13 SAScheduleTupleType
8.5.2.14 PMaxScheduleType
8.5.2.15 PMaxScheduleEntryType
8.5.2.16 SalesTariffType
8.5.2.17 SalesTariffEntryType
8.5.2.18 RelativeTimeIntervalType
8.5.2.19 ConsumptionCostType
8.5.2.20 CostType
8.5.2.21 ServiceParameterListType
8.5.2.22 ParameterSetType
8.5.2.23 ParameterType
8.5.2.24 SelectedServiceListType
8.5.2.25 SelectedServiceType
8.5.2.26 SubCertificatesType
8.5.2.27 ListOfRootCertificateIDsType
8.5.2.28 ContractSignatureEncryptedPrivateKeyType
8.5.2.29 DiffieHellmanPublickeyType
8.5.2.30 EMAIDType
8.5.3 AC
8.5.3.1 AC_EVSEStatusType
8.5.3.2 AC_EVChargeParameterType
8.5.3.3 AC_EVSEChargeParameterType
8.5.4 DC
8.5.4.1 DC_EVSEStatusType
8.5.4.2 DC_EVStatusType
8.5.4.3 DC_EVChargeParameterType
8.5.4.4 DC_EVSEChargeParameterType
8.5.4.5 DC_EVPowerDeliveryParameterType
8.6 Identification Modes and Message Set definitions
8.6.1 Overview
8.6.2 Supported Message Sets
8.6.2.1 Overview
8.6.2.2 Common
8.6.2.3 AC
8.6.2.3.1 EIM
8.6.2.3.2 PnC
8.6.2.4 DC
8.6.2.4.1 Charging EIM
8.6.2.4.2 PnC
8.6.3 Selection of Message Sets
8.6.3.1 Message Sets for AC/DC Charging EIM/PnC
8.6.3.2 Message Set Metering Receipt
8.6.3.3 Certificate Install
8.6.3.4 Certificate Update
8.6.3.5 Message Set Value Added Services
8.6.3.6 Selection of services
8.7 V2G communication timing
8.7.1 Overview
8.7.2 Message sequence and communication session
8.7.2.1 Definitions
8.7.2.2 EVCC Timing for Request-Response Message Pairs
8.7.2.3 SECC Timing for Response-Request Message Sequence
8.7.3 Session setup and ready to charge
8.7.3.1 Definitions
8.7.3.2 EVCC Timing for communication session setup
8.7.3.3 SECC Timing for communication session setup
8.7.3.4 EVCC Timing for EVSEProcessing parameter
8.7.3.5 SECC Timing for EVSEProcessing parameter
8.7.3.6 EVCC Timing for cable check
8.7.3.7 EVCC Timing for pre charging
8.7.4 V2G message synchronization with IEC 61851-1 signalling
8.7.4.1 Overview
8.7.4.2 Common requirements
8.7.4.3 AC specific requirements
8.7.4.4 DC specific requirements
8.8 Message sequencing and error handling
8.8.1 Overview
8.8.2 Basic Definitions for Error Handling
8.8.3 ResponseCode handling
8.8.3.1 Common requirements
8.8.4 Request-Response Message Sequence requirements
8.8.4.1 General requirements
8.8.4.2 EVCC
8.8.4.2.1 Common requirements
8.8.4.2.2 AC specific requirements
8.8.4.2.3 DC specific requirements
8.8.4.3 SECC
8.8.4.3.1 Common requirements
8.8.4.3.2 AC specific requirements
8.8.4.3.3 DC specific requirements
8.9 Request-Response Message Sequence examples
8.9.1 AC
8.9.1.1 EIM
8.9.1.2 PnC
8.9.2 DC
8.9.2.1 EIM
8.9.2.2 PnC
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1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Conventions
5.1 Definition of OSI based services
5.2 Requirement structure
5.3 Usage of RFC references
5.4 Notation used for XML schema diagrams
6 Document overview
7 Basic requirements for V2G communication
7.1 General information
7.2 Service primitive concept of OSI layered architecture
7.2.1 Overview
7.2.2 Syntax of service primitives
7.3 Security concept
7.3.1 Call Flows (Flow Charts)
7.3.2 Certificate and key management
7.3.3 Number of root certificates and root validity, certificate depth and size
7.3.4 Support and Application of TLS
7.4 V2G communication states and data link handling
7.5 Data Link Layer
7.6 Network Layer
7.6.1 General
7.6.2 Applicable RFCs and limitations and protocol parameter settings
7.6.2.1 IPv6
7.6.2.2 Dynamic Host Control Protocol (DHCPV6)
7.6.2.3 Neighbor Discovery (ND)
7.6.2.4 Internet Control Message Protocol (ICMP)
7.6.3 IP Addressing
7.6.3.1 General
7.6.3.2 Stateless auto address configuration (SLAAC)
7.6.3.3 Address selection
7.7 Transport Layer
7.7.1 Transmission Control Protocol (TCP)
7.7.1.1 Overview
7.7.1.2 Applicable RFCs, limitations and protocol parameter settings
7.7.1.3 TCP Performance and checksum requirements
7.7.2 User Datagram Protocol (UDP)
7.7.2.1 Overview
7.7.2.2 Applicable RFC, limitations and protocol parameter settings
7.7.3 Transport Layer Security (TLS)
7.7.3.1 Overview
7.7.3.2 Applicable RFCs
7.7.3.3 Transport Layer Security Usage
7.7.3.4 Transport Layer Security Credentials and Cipher Suites
7.8 V2G Transfer Protocol
7.8.1 General Information
7.8.2 Supported ports
7.8.3 Protocol Data Unit
7.8.3.1 Structure
7.8.3.2 Header Processing
7.9 Presentation Layer
7.9.1 XML and Efficient XML Interchange (EXI)
7.9.1.1 Overview
7.9.1.2 Efficient XML Interchange
7.9.1.3 EXI Settings for application layer messages
7.9.2 Message Security
7.9.2.1 Overview
7.9.2.2 Application layer credentials and cipher suites
7.9.2.3 Contract Certificates as XML signature credentials
7.9.2.4 XML Security specifics for 'PnC' Message Set(s)
7.9.2.4.1 XML Data Structures for Application Layer Security
7.9.2.4.2 XML Signature mechanism
7.9.2.4.3 Encryption mechanism
7.9.2.4.4 Random Number Generation
7.9.2.4.5 Application of security mechanisms to XML message
7.9.2.5 Certificate Provisioning
7.10 Application Layer
7.10.1 SECC Discovery Protocol
7.10.1.1 General Information
7.10.1.2 Supported ports
7.10.1.3 Protocol Data Unit
7.10.1.3.1 Structure
7.10.1.3.2 Header Processing
7.10.1.4 SECC Discovery Request Message
7.10.1.5 SECC Discovery Response Message
7.10.1.6 Timing and Error Handling
7.10.1.7 Protocol and Security Options Handling
7.10.2 Vehicle to Grid application layer messages
7.10.3 Application layer service primitives
7.10.3.1 A-Data.request
7.10.3.2 A-Data.indication
7.10.3.3 A-Data.response
7.10.3.4 A-Data.confirmation
8 Application Layer messages
8.1 General information and definitions
8.2 Protocol handshake definition
8.2.1 Handshake sequence
8.2.2 Message definition supportedAppProtocolReq and supportedAppProtocolRes
8.2.3 Semantics description supportedAppProtocol messages
8.2.4 Message Examples
8.2.4.1 Protocol prioritization
8.2.4.2 Minor Deviation
8.3 V2G Message Definition
8.3.1 Overview
8.3.2 Message definition
8.3.3 Message Header Definition
8.3.4 Message Body Definition
8.4 V2G Communication Session and BodyElement Definitions
8.4.1 General
8.4.2 Session Handling
8.4.3 Common Messages
8.4.3.1 Overview
8.4.3.2 SessionSetupReq/Res
8.4.3.2.1 SessionSetupReq
8.4.3.2.2 SessionSetupRes
8.4.3.3 ServiceDiscoveryReq/Res
8.4.3.3.1 ServiceDiscoveryReq/Res Handling
8.4.3.3.2 ServiceDiscoveryReq
8.4.3.3.3 ServiceDiscoveryRes
8.4.3.4 ServiceDetailReq/Res
8.4.3.4.1 ServiceDetailReq
8.4.3.4.2 ServiceDetailRes
8.4.3.5 PaymentServiceSelectionReq/Res
8.4.3.5.1 Payment and Service Selection Handling
8.4.3.5.2 PaymentServiceSelectionReq
8.4.3.5.3 PaymentServiceSelectionRes
8.4.3.6 PaymentDetailsReq/Res
8.4.3.6.1 PaymentDetailsReq/Res Handling
8.4.3.6.2 PaymentDetailsReq
8.4.3.6.3 PaymentDetailsRes
8.4.3.7 AuthorizationReq/Res
8.4.3.7.1 AuthorizationReq
8.4.3.7.2 AuthorizationRes
8.4.3.8 ChargeParameterDiscoveryReq/Res
8.4.3.8.1 ChargeParameterDiscoveryReq/Res Handling
8.4.3.8.2 ChargeParameterDiscoveryReq
8.4.3.8.3 ChargeParameterDiscoveryRes
8.4.3.9 PowerDeliveryReq/Res
8.4.3.9.1 PowerDeliveryReq/Res Handling
8.4.3.9.2 PowerDeliveryReq
8.4.3.9.3 PowerDeliveryRes
8.4.3.10 CertificateUpdateReq/Res
8.4.3.10.1 CertificateUpdateReq/Res Handling
8.4.3.10.2 CertificateUpdateReq
8.4.3.10.3 CertificateUpdateRes
8.4.3.11 CertificateInstallationReq/Res
8.4.3.11.1 CertificateInstallationReq/Res Handling
8.4.3.11.2 CertificateInstallationReq
8.4.3.11.3 CertificateInstallationRes
8.4.3.11.4 Offline Certificate Installation
8.4.3.12 SessionStopReq/Res
8.4.3.12.1 SessionStopReq/Res Handling
8.4.3.12.2 SessionStopReq
8.4.3.12.3 SessionStopRes
8.4.3.13 MeteringReceiptReq/Res
8.4.3.13.1 MeteringReceiptReq/Res Handling
8.4.3.13.2 MeteringReceiptReq
8.4.3.13.3 MeteringReceiptRes
8.4.4 AC-Messages
8.4.4.1 Overview
8.4.4.2 ChargingStatusReq/Res
8.4.4.2.1 ChargingStatusReq/Res Handling
8.4.4.2.2 ChargingStatusReq
8.4.4.2.3 ChargingStatusRes
8.4.5 DC-Messages
8.4.5.1 Overview
8.4.5.2 CableCheckReq/Res
8.4.5.2.1 CableCheckReq/Res Handling
8.4.5.2.2 CableCheckReq
8.4.5.2.3 CableCheckRes
8.4.5.3 PreChargeReq/Res
8.4.5.3.1 PreChargeReq/Res Handling
8.4.5.3.2 PreChargeReq
8.4.5.3.3 PreChargeRes
8.4.5.4 CurrentDemandReq/Res
8.4.5.4.1 CurrentDemandReq/Res Handling
8.4.5.4.2 CurrentDemandReq
8.4.5.4.3 CurrentDemandRes
8.4.5.5 WeldingDetectionReq/Res
8.4.5.5.1 WeldingDetectionReq/Res Handling
8.4.5.5.2 WeldingDetectionReq
8.4.5.5.3 Welding Detection Response
8.5 Complex data types
8.5.1 Overview
8.5.2 Common
8.5.2.1 ServiceType
8.5.2.2 ServiceListType
8.5.2.3 ChargeServiceType
8.5.2.4 SupportedEnergyTransferModeType
8.5.2.5 CertificateChainType
8.5.2.6 MeterInfoType
8.5.2.7 PhysicalValueType
8.5.2.8 NotificationType
8.5.2.9 PaymentOptionListType
8.5.2.10 ChargingProfileType
8.5.2.11 ProfileEntryType
8.5.2.12 SAScheduleListType
8.5.2.13 SAScheduleTupleType
8.5.2.14 PMaxScheduleType
8.5.2.15 PMaxScheduleEntryType
8.5.2.16 SalesTariffType
8.5.2.17 SalesTariffEntryType
8.5.2.18 RelativeTimeIntervalType
8.5.2.19 ConsumptionCostType
8.5.2.20 CostType
8.5.2.21 ServiceParameterListType
8.5.2.22 ParameterSetType
8.5.2.23 ParameterType
8.5.2.24 SelectedServiceListType
8.5.2.25 SelectedServiceType
8.5.2.26 SubCertificatesType
8.5.2.27 ListOfRootCertificateIDsType
8.5.2.28 ContractSignatureEncryptedPrivateKeyType
8.5.2.29 DiffieHellmanPublickeyType
8.5.2.30 EMAIDType
8.5.3 AC
8.5.3.1 AC_EVSEStatusType
8.5.3.2 AC_EVChargeParameterType
8.5.3.3 AC_EVSEChargeParameterType
8.5.4 DC
8.5.4.1 DC_EVSEStatusType
8.5.4.2 DC_EVStatusType
8.5.4.3 DC_EVChargeParameterType
8.5.4.4 DC_EVSEChargeParameterType
8.5.4.5 DC_EVPowerDeliveryParameterType
8.6 Identification Modes and Message Set definitions
8.6.1 Overview
8.6.2 Supported Message Sets
8.6.2.1 Overview
8.6.2.2 Common
8.6.2.3 AC
8.6.2.3.1 EIM
8.6.2.3.2 PnC
8.6.2.4 DC
8.6.2.4.1 Charging EIM
8.6.2.4.2 PnC
8.6.3 Selection of Message Sets
8.6.3.1 Message Sets for AC/DC Charging EIM/PnC
8.6.3.2 Message Set Metering Receipt
8.6.3.3 Certificate Install
8.6.3.4 Certificate Update
8.6.3.5 Message Set Value Added Services
8.6.3.6 Selection of services
8.7 V2G communication timing
8.7.1 Overview
8.7.2 Message sequence and communication session
8.7.2.1 Definitions
8.7.2.2 EVCC Timing for Request-Response Message Pairs
8.7.2.3 SECC Timing for Response-Request Message Sequence
8.7.3 Session setup and ready to charge
8.7.3.1 Definitions
8.7.3.2 EVCC Timing for communication session setup
8.7.3.3 SECC Timing for communication session setup
8.7.3.4 EVCC Timing for EVSEProcessing parameter
8.7.3.5 SECC Timing for EVSEProcessing parameter
8.7.3.6 EVCC Timing for cable check
8.7.3.7 EVCC Timing for pre charging
8.7.4 V2G message synchronization with IEC 61851-1 signalling
8.7.4.1 Overview
8.7.4.2 Common requirements
8.7.4.3 AC specific requirements
8.7.4.4 DC specific requirements
8.8 Message sequencing and error handling
8.8.1 Overview
8.8.2 Basic Definitions for Error Handling
8.8.3 ResponseCode handling
8.8.3.1 Common requirements
8.8.4 Request-Response Message Sequence requirements
8.8.4.1 General requirements
8.8.4.2 EVCC
8.8.4.2.1 Common requirements
8.8.4.2.2 AC specific requirements
8.8.4.2.3 DC specific requirements
8.8.4.3 SECC
8.8.4.3.1 Common requirements
8.8.4.3.2 AC specific requirements
8.8.4.3.3 DC specific requirements
8.9 Request-Response Message Sequence examples
8.9.1 AC
8.9.1.1 EIM
8.9.1.2 PnC
8.9.2 DC
8.9.2.1 EIM
8.9.2.2 PnC
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