1. GENERAL

2. ACCESSION

3. PARTY DETAILS AND PROVISION OF INFORMATION TO BSCCo

4. PARTY REGISTRATION

5. EXIT

ANNEX A-1

AMENDMENT RECORD – SECTION A

1. ESTABLISHMENT OF PANEL

2. APPOINTMENT OF PANEL MEMBERS

3. POWERS AND FUNCTIONS OF PANEL, ETC

4. PROCEEDINGS OF PANEL

5. PANEL COMMITTEES

6. ANNUAL REPORTS AND ANNUAL BSC MEETING

ANNEX B-1: NOT USED.ANNEX B-2: ELECTION OF INDUSTRY PANEL MEMBERS

AMENDMENT RECORD – SECTION B

1. GENERAL

2. CONSTITUTION OF BSCCO AND SHARE CAPITAL OF BSCCO

3. POWERS AND FUNCTIONS OF BSCCO

4. GOVERNANCE OF BSCCO

5. RELATIONSHIP BETWEEN PARTIES AND BSCCO

6. BUSINESS STRATEGY AND ANNUAL BUDGET

7. BSC COMPANIES

8. NOT USED 9. PROVISION OF PROFILE ADMINISTRATION SERVICES BY BSCCO

10. Permissible ACTIVITIES UNDERTAKEN BY PERMITTED AFFILIATES

11. PROVISION OF SUPPORT TO EMR SETTLEMENT SERVICES PROVIDERS

12. MARKET-WIDE HALF HOURLY SETTLEMENT IMPLEMENTATION

13. Capacity Market Advisory Group Administration

14. Energy Price Guarantee Scheme

15. Energy Bill Discount Scheme

16. Electricity Support Payment Scheme

17. Market Facilitator Arrangements

18. Smart Secure Electricity Systems (SSES) Arrangements

ANNEX C-1: PERMISSIBLE ACTIVITIES

ANNEX C-2: VOTING PROCEDURES FOR BINDING RESOLUTIONS, NON-BINDING RESOLUTIONS AND APPOINTMENT RESOLUTIONS

ANNEX C-3: BSCCO GOVERNANCE

AMENDMENT RECORD – SECTION C

1. GENERAL

2 BSC COSTS

3. SPECIFIED BSC CHARGES

4. RECOVERY OF NET ANNUAL COSTS

5. NOT USED

6. PAYMENT OF BSCCO CHARGES AND PARTY CHARGES

7. EMR SETTLEMENT SERVICES PROVIDER COSTS

8. MHHS PROGRAMME COSTS

9. RTS PASS THROUGH COSTS

ANNEX D-1: FUNDING SHARES

ANNEX D-2: SVA COSTS

ANNEX D-3: SPECIFIED BSC CHARGES

ANNEX D-4: DETERMINATION OF MONTHLY BSCCO CHARGES

ANNEX D-5: NOT USED

AMENDMENT RECORD – SECTION D

1. GENERAL

2. ROLE OF BSCCO

3. RELATIONSHIP BETWEEN PARTIES, BSCCO AND BSC AGENTS

4. BSC SERVICES MANAGER

AMENDMENT RECORD – SECTION E

1. MODIFICATION OF THE CODE

2. CODE MODIFICATION PROCEDURES

3. CREATION AND MODIFICATION OF CODE SUBSIDIARY DOCUMENTS

4. IS POLICIES

5. SIGNIFICANT CODE REVIEW

6. SELF-GOVERNANCE

7. FAST TRACK SELF-GOVERNANCE

8. AUTHORITY RAISED OR DIRECTED MODIFICATION PROPOSALS

ANNEX F-1:

ANNEX F-2: EBGL ARTICLE 18 TERMS AND CONDITIONS

AMENDMENT RECORD – SECTION F

1. GENERAL

2. AVOIDABLE COSTS

3. SYSTEM RESTORATION

4. CIVIL EMERGENCIES AND FUEL SECURITY PERIODS

5. RECOVERY OF EXCEPTIONAL COSTS BY GENERATORS

6. VALIDATION AND CORRECTION OF TRADING CHARGES RELATING TO NETWORK GAS SUPPLY EMERGENCY ACCEPTANCES

AMENDMENT RECORD – SECTION G

1. STRUCTURE

2. COMMENCEMENT AND TERM

3. DEFAULT

4. CONFIDENTIALITY AND OTHER INTELLECTUAL PROPERTY RIGHTS

5. AUDIT

6. LIABILITY AND RELATED ISSUES

7. DISPUTE RESOLUTION

8. REFERENCES TO THE AUTHORITY

9. GENERAL

10. BSC SANDBOX

11. OPEN DATA

AMENDMENT RECORD – SECTION H

1. GENERAL

2. QUALIFICATION REQUIREMENTS

3. QUALIFICATION PROCESS

4. APPOINTMENT and replacement OF PARTY AGENTS

5. PARTY RESPONSIBILITIES

6. REGISTRATION

7. PERFORMANCE ASSURANCE

AMENDMENT RECORD – SECTION J

1. GENERAL

2. REGISTRATION OF METERING SYSTEMS

3. CONFIGURATION AND REGISTRATION OF PRIMARY BM UNITS

4. TRADING UNITS

5. INTERCONNECTORS

6. REGISTRATION

7. FAILING SUPPLIER PROCESS

8. CONFIGURATION AND REGISTRATION OF SECONDARY BM UNITS

ANNEX K-1 SUPPLIER METER REGISTRATION SERVICE

1. TERMS OF SERVICE

ANNEX K-2: TRADING UNIT APPLICATIONS

AMENDMENT RECORD – SECTION K

1. INTRODUCTION

2. METERING EQUIPMENT – BASIC REQUIREMENTS

3. METERING EQUIPMENT – DETAILED REQUIREMENTS

4. DISPUTES

5. METERING DATA

6. ACCESS TO PROPERTY

7. TECHNICAL ASSURANCE OF METERING SYSTEMS

AMENDMENT RECORD – SECTION L

1. GENERAL

2. CREDIT COVER AND ENERGY CREDIT COVER

3. CREDIT DEFAULT STATUS

4. CREDIT COVER ERRORS AND COMPENSATION

ANNEX M-1

ANNEX M-3

ANNEX M-4

AMENDMENT RECORD – SECTION M

1. INTRODUCTION

2. CLEARING ARRANGEMENTS

3. PAYMENT CALENDAR

4. BANKING ARRANGEMENTS

5. TAXATION

6. CALCULATION OF PAYMENTS

7. INVOICES

8. PAYMENT PROCEDURE

9. PAYMENT DEFAULT

10. Not Used11. PAYMENT ERRORS

12. ENFORCEMENT OF CLAIMS

13. Not Used

AMENDMENT RECORD – SECTION N

1. GENERAL

2. SCOPE AND INTEPRETATION

3 PARTIES' OBLIGATIONS

4 RULES AS TO COMMUNICATIONS

AMENDMENT RECORD – SECTION O

1. GENERAL

2. ENERGY CONTRACT VOLUMES

3. METERED VOLUME REALLOCATIONS

4. AGGREGATION

4A NULLIFICATION OF VOLUME NOTIFICATIONS

5. FAILURES OF THE ECVAA SYSTEM

AMENDMENT RECORD – SECTION P

1. INTRODUCTION

2. DATA SUBMISSION BY LEAD PARTY

3. FINAL PHYSICAL DATA NOTIFICATION SUBMISSIONS

4. BALANCING SERVICES BID-OFFER SUBMISSION

5. BALANCING MECHANISM Bid-Offer Acceptance

5A SUSPENSION OF THE TERRE MARKET

6. SUBMISSION OF DATA BY THE NETSO

7. MANIFEST ERRORS

8. COMPENSATION FOR OUTAGES

9. NOT USED10. NOT USED11. SUBMISSION OF INSIDE INFORMATION DATA

AMENDMENT RECORD – SECTION Q

1. INTRODUCTION

2. REGISTRATION AND TECHNICAL DETAILS

3. AGGREGATION RULES

4. LINE LOSS FACTORS

5. COLLECTION, VALIDATION, ESTIMATION AND AGGREGATION OF METERED DATA

6. FURTHER FUNCTIONS OF CDCA

7. INTERCONNECTOR BM UNIT METERED VOLUMES

8 DEMAND DISCONNECTION EVENTS

AMENDMENT RECORD – SECTION R

1. GENERAL

2. RESPONSIBILITIES OF SUPPLIERS, VIRTUAL LEAD PARTIES SUPPLIER AGENTS, DATA SERVICE AGENTS AND ASSET METERING PARTY AGENTS

3. PERFORMANCE

4. FUNCTIONS OF BSC AGENTS IN RELATION TO SUPPLIER VOLUME ALLOCATION

5. FUNCTIONS OF OTHER AGENTS IN RELATION TO SUPPLIER VOLUME ALLOCATION

6. SUPPLIER BM UNITS

7. SUPPLIER VOLUME ALLOCATION RULES

8. UNMETERED SUPPLIES

9. DEMAND DISCONNECTION EVENTS

10. SVA METERING SYSTEM REGISTER

11 MSID PAIR DELIVERED VOLUMES AND AMSID PAIR DELIVERED VOLUMES

12 PROVISION OF INFORMATION FOR PURPOSES OF CALCULATING NETWORK CHARGES

13 BASELINING METHODOLOGY DOCUMENT

14 SUBMITTED EXPECTED VOLUMES

15 EVENT DAYS

16 SUBMITTING SECONDARY BM UNIT WHOLESALE MARKET ACTIVITY NOTIFICATION

17 PARTY-REGISTERED AMSID PAIR DELIVERED VOLUMES AND METERED VOLUMES

AMENDMENT RECORD – SECTION S

1. GENERAL

2. PERFORMANCE LEVELS

3. CHARGES

4. COLLECTION AND PAYMENT OF SUPPLIER CHARGES

1. GENERAL

2. THE SUPPLIER METER REGISTRATION SERVICES

3. HALF HOURLY DATA COLLECTION AND AGGREGATION

4. NON HALF HOURLY DATA COLLECTION AND AGGREGATION

5. SUPPLIER VOLUME ALLOCATION DATA INPUT

6. PROFILE COEFFICIENTS

7. HALF HOURLY METERING SYSTEM CONSUMPTION

8. NON HALF HOURLY METERING SYSTEM CONSUMPTION

9. GSP GROUP CORRECTION

9A SUPPLIER QUARTERLY VOLUME REPORT

9A.1 Determination of the Supplier Quarterly Volume Report

10. VOLUME ALLOCATION RUNS

11. TRADING DISPUTES

12. DELAYS AND FAILURES

13. DETERMINATION OF PERIOD BM UNIT GROSS NON-FINAL DEMAND FOR SVA NON-FINAL DEMAND FACILITIES

1. GENERAL

2. THE SUPPLIER METER REGISTRATION SERVICES

3. DATA COLLECTION AND PROVISION

4. SUPPLIER VOLUME ALLOCATION DATA INPUT

5. VOLUME ALLOCATION

6. GSP GROUP CORRECTION

7 SUPPLIER QUARTERLY VOLUME REPORT

8. VOLUME ALLOCATION RUNS

9. TRADING DISPUTES

10. DELAYS AND FAILURES

11. DETERMINATION OF PERIOD BM UNIT GROSS NON-FINAL DEMAND FOR SVA NON-FINAL DEMAND FACILITIES

12 DETERMINATION OF PERIOD BM UNIT NON CHARGEABLE DEMAND FOR EMR MSID DELARATIONS AND FOR EMR AMSID DELARATIONS

1. GENERAL

2. ALLOCATION OF TRANSMISSION LOSSES

3. SETTLEMENT OF BALANCING ACTIONS

4. SETTLEMENT CALCULATIONS

5. SETTLEMENT

6. ADDITIONAL CALCULATIONS

7 SUBMISSION OF REPLACEMENT RESERVE DATA TO THE SVAA

8 CALCULATION OF BM UNIT CHARGEABLE DEMAND FOR THE EMR SETTLEMENT SERVICES PROVIDER

Part 1 – Derivation of Final Ranked Set of System Actions

Part 2 - Detailed Provisions

Part 3 – Terms for Reporting

1. Introduction

1A. Transmission Loss Factors relating to the BSC Year commencing 1st April 2025

2. LFM Specification

3. Load Flow Model

4. Zones, Nodes and Mapping

5. Transmission Network Data and HVDC Boundary Data

6. Distribution Network Data

7. Sample Settlement Periods

8. Determination of TLFs

9. Determination of the Transmission Loss Factor Adjustment (TLFA_S)

10. Role and powers of the NETSO

1. GENERAL

2. SETTLEMENT

AMENDMENT RECORD – SECTION U

1. GENERAL

2. BMRS

3. Reporting By OTHER BSC AGENTS

4. REPORTING BY BSCCO

5. POLICY SUPPORT DATA REQUIREMENTS (EMR ETC.)

6. NOT USED

7. SUBMISSION OF SETTLEMENT EXCHANGE RATES TO THE BMRA

ANNEX V-1: TABLES OF REPORTS

1. GENERAL

2. THE TRADING DISPUTES COMMITTEE

3. THE TRADING DISPUTES PROCESS

4. ADJUSTMENTS FOLLOWING RESOLUTION OF A TRADING DISPUTE

5. FURTHER PROVISIONS

AMENDMENT RECORD – SECTION W

1. DEFINITIONS

2. INTERPRETATION

3. TECHNICAL INTERPRETATION

AMENDMENT RECORD – SECTION X

Numeric

A

B

C

D

E

F

G

H

I

JK

L

M

N

O

P

Q

R

S

T

U

V

W

XYZ

1. GENERAL

2. TECHNICAL TERMS AND INTERPRETATION APPLYING EXCEPT IN RELATION TO SECTION S

3. TECHNICAL TERMS AND INTERPRETATION APPLYING IN RELATION TO SECTION S

4. TIMING CONVENTIONS

Table X–1 –

Table X–2 –

Table X-3 –

Table X–4 –

Table X–5 –

Table X–6 –

Table X–7 –

Table X-8

Table X–9

AMENDMENT RECORD – SECTION X-2

1 INTRODUCTION

2 PROCEEDINGS OF THE PERFORMANCE ASSURANCE BOARD

3 PERFORMANCE ASSURANCE ADMINISTRATOR

4 LIABILITY OF PERFORMANCE ASSURANCE BOARD AND PERFORMANCE ASSURANCE ADMINISTRATOR

5 PERFORMANCE ASSURANCE PROCEDURES

6 RISK MANAGEMENT DETERMINATION QUERIES AND RISK MANAGEMENT DETERMINATION APPEALS

7 PERFORMANCE ASSURANCE TECHNIQUES

8 FURTHER FUNCTIONS AND DUTIES

AMENDMENT RECORD – SECTION Z