Idd part 1 Interfaces with bsc parties and their Agents

ECVAA-I008

BSC Party,

MVRNA

MVRNAA Feedback

ECVAA SD: 7.2, 7.3, 7.4, 7.7, 7.8, 7.11, 7.12, A

ECVAA BPM: 3.2, 4.9, 4.10, 4.11, 4.14

RETA SCH: 4, B, 3.2#

CR 005, CP547, CP571, CP888, P98, Variation 59

Manual for Rejections and Deletions; Electronic Data File Transfer for Confirmations

Ad hoc, in response to MVRNAA requests and registration data changes

Low

The ECVAA Service shall issue the following MVRNAA Feedback data , in response to MVRNAA requests :

i. Confirmed MVRNAA - issued to the relevant BM Unit Lead Party, BM Unit Subsidiary Party and MVRNA(s).

ii. Rejected MVRNAA - issued to the relevant BM Unit Lead Party, BM Unit Subsidiary Party and MVRNA(s).

iii. Confirmed MVRNAA Termination - issued to the relevant BM Unit Lead Party, BM Unit Subsidiary Party and MVRNA(s).

iv. Rejected MVRNAA Termination - issued to the relevant BM Unit Lead Party, BM Unit Subsidiary Party or MVRNA.

v. Confirmed MVRNAA Key Change - issued to the relevant MVRNA.

vi. Rejected MVRNAA Key Change - issued to the relevant MVRNA.

vii. Confirmed MVRNAA Deletion - issued to the relevant BM Unit Lead Party, BM Unit Subsidiary Party and MVRNA(s).

viii. Rejected MVRNAA Deletion - issued to the relevant BM Unit Lead Party or BM Unit Subsidiary Party or MVRNA.

ix. Confirmed MVRNAA Reporting Option Change - issued to the requesting BM Unit Lead Party, BM Unit Subsidiary Party or MVRNA.

x. Rejected MVRNAA Reporting Option Change - issued to the requesting BM Unit Lead Party, BM Unit Subsidiary Party or MVRNA.

MVRNAA ID (to Lead, Subsidiary Party and relevant MVRNA(s))

MVRNAA Key (to MVRNA only, each MVRNA receives their Key)

Rejection Reason

Note: if the rejection is due to non-receipt of matching authorisations, then both parties and the MVRNA are still informed, and the feedback sent to each shall not include another’s authentication information.

Effective To Date

Termination Reason

Note: Termination Reason indicates whether party or MVRNA request or triggered by change to registration data.

Rejection Reason

MVRNAA ID

MVRNAA Key (new key)

Effective From Date

Rejection Reason

Termination Reason

Note: This is sent in response to a Termination request where the Termination Date is before the Effective From Date.

Rejection Reason

Note: This is sent in response to a Termination request where the Termination Date is before the Effective From Date.

Rejection Reason

ECVAA-I009

BSC Party,

ECVNA

ECVN Feedback (Rejection

ECVAA SD: 8.3, A

ECVAA BPM: 3.3, 4.22, 4.23, 4.24, 4.25

RETA SCH: 4, B, 3.2

CR 12, CP527, CP703, P98, CP1221

Electronic Data File Transfer

Continuous, for rejected ECVNs and ECVN components

Medium

The ECVAA Service shall issue ECVN Feedback (rejection) to BSC Parties and ECVNAs continuously to report:

i. the rejection of ECVNs on receipt; and

ii. the rejection of ECVN components during the half-hourly credit check process.

ECVNA Id

ECVN ECVNAA Id

ECVN Reference Code

Effective From Date

Effective To Date (optional)

Settlement Period (1-50)

Energy Contract Volume (MWh)

Rejection Reason, including:

Invalid time stamp

Level 2 Credit Default

i. For rejection of ECVNs on receipt, the ECVN Feedback (rejection) shall comprise the original details received in the ECVN (except the ECVNAA Key).

ii. For rejection of ECVN components during the half-hourly credit check process, the ECVN Feedback (rejection) shall comprise the single Settlement Period component from the original ECVN which is rejected.

iii. Each Party and their ECVNA receives feedback on Notifications as determined from the ECVNAA used in submission (subject to Reporting Options selected by the Party and ECVNA for that ECVNAA - see ECVAA-F003).