NEC3 Version

Item Current Version Highlighted Version as Compared with Previous Revision Issue Date
1 Practice Notes for New Engineering Contract
- Professional Services Contract for Public Works Projects in Hong Kong
PFD PDF June 2017
2 Library of Standard Amendments to NEC PSC Standard Documents

Word  PDF

PDF

January 2026
3 Library of Standard Additional Conditions of Contract

Word  PDF

PDF

December 2025
4 Sample Template of Contract Data Part one word  pdf pdf December 2025
5

Sample Template of Contract Data Part two (Section 1)

Word  PDF PDF January 2024
6 Sample Template of Contract Data Part two (Section 2) Word  PDF PDF December 2025
7 Sample Template of Memorandum of Agreement Word  PDF PDF December 2025
8 Sample Template of Proforma for Activity Schedule Word  PDF PDF January 2024
9 Sample Template of Proforma for Fee Proposal Word  PDF PDF January 2024
10 Sample Template of Invitation Letter for Expression of Interest (for Two-stage) Word  PDF

PDF

December 2025
11 Sample Template of Invitation Letter for Technical and Fee Proposals (for Two-stage) Word  PDF

PDF

December 2025
12 Sample Template of Invitation Letter for Technical and Fee Proposals (for One-stage) Word  PDF

PDF

December 2025
13 Annexes for Sample Template of Invitation Letters PDF December 2025
Annex [A] - Licence Conditions for Electronic Invitation Package (EIP) Word  PDF June 2024
Annex [B] - Requirements for Submission in Electronic Format Word  PDF June 2024
Annex [B1] - Requirements for Submission of Technical and Fee Proposals in Hard Copy Word  PDF PDF December 2024
Annex [C] - List of Consultants Invited for T&F Proposals/ EOI Submissions Word  PDF June 2024
Annex [D] - Bidding Restrictions Word  PDF June 2024
Annex [E] - Listed Service Category or Service Discipline Having a List of Consultants Maintained and Published by the Government Word  PDF June 2024
Annex [F] - Sample Declaration Letter on "Non-local" Status Word  PDF June 2024
Annex [G] - List of sub-consulting firms for undertaking sub-consulting service not under the listed Service Category maintained by EACSB or any discipline having a list of consultants maintained and published by the Government Word  PDF June 2024
Annex [H] - List of Shortlisted Consultants and their Subconsultants Word  PDF June 2024
Annex [I] - Retention Money Payable to Non-resident Consultant for Settlement of Profits Tax Word  PDF PDF March 2026
Annex [J] - Table of Listed and Unlisted Subconsultants and Scope of Sub-consulting Services to be undertaken Word  PDF June 2024
Annex [K] - Requirements of ISO 9000 Certification Word  PDF June 2024
Annex [L] - Letter of Confirmation for Compliance with National Security Word  PDF June 2024
Annex [M] - Sample Declaration Letter on Anti-collusion Undertaking Word  PDF June 2024
Annex [X] - Declaration and Consent Form for Bidder Word  PDF December 2025
Annex [Y] - Declaration and Consent Form for Proposed Key Personnel Word  PDF December 2025
14 Sample Template of Guidelines on Preparation of Technical Proposal Word  PDF PDF December 2025
15 Sample Template of Guidelines on Preparation of Fee Proposal Word  PDF PDF December 2025
16 Relevant alternative sample templates (Invitation Letters and Guidelines on Preparation of Technical and Fee Proposals) for not adopting e-TS(CS) Folder Folder January 2024

NEC4 Version (for Option A)

Item Current Version Highlighted Version as Compared with Previous Revision Issue Date
1 Library of Standard Amendments to NEC PSC Standard Documents Word  PDF PDF March 2026
2 Library of Standard Additional Conditions of Contract Word  PDF PDF January 2026
3 Sample Template of Contract Data Part one Word  PDF - December 2025
4 Sample Template of Contract Data Part two (Section 1) Word  PDF - December 2025
5 Sample Template of Contract Data Part two (Section 2) Word  PDF - December 2025
6 Sample Template of Memorandum of Agreement Word  PDF - December 2025
7 Sample Template of Proforma for Activity Schedule Word  PDF - December 2025
8 Sample Template of Proforma for Fee Proposal Word  PDF - December 2025
9 Sample Template of Invitation Letter for Expression of Interest (for Two-stage) Word  PDF PDF December 2025
10 Sample Template of Invitation Letter for Technical and Fee Proposals (for Two-stage)

Word  PDF

PDF December 2025
11 Sample Template of Invitation Letter for Technical and Fee Proposals (for One-stage)

Word  PDF

PDF December 2025
12 Annexes for Sample Template of Invitation Letters PDF March 2026
Annex [A] - Licence Conditions for Electronic Invitation Package (EIP)

Word  PDF

- March 2026
Annex [B] - Requirements for Submission in Electronic Format

Word  PDF

- March 2026
Annex [B1] - Requirements for Submission of Technical and Fee Proposals in Hard Copy

Word  PDF

- March 2026
Annex [C] - List of Consultants Invited for T&F Proposals/ EOI Submissions

Word  PDF

- March 2026
Annex [D] - Bidding Restrictions

Word  PDF

- March 2026
Annex [E] - Listed Service Category or Service Discipline Having a List of Consultants Maintained and Published by the Government

Word  PDF

- March 2026
Annex [F] - Sample Declaration Letter on "Non-local" Status

Word  PDF

- March 2026
Annex [G] - List of sub-contracting firms for undertaking sub-contracting service not under the listed Service Category maintained by EACSB or any discipline having a list of consultants maintained and published by the Government

Word  PDF

- March 2026
Annex [H] - List of Shortlisted Consultants and their Subcontractors

Word  PDF

- March 2026
Annex [I] - Retention Money Payable to Non-resident Consultant for Settlement of Profits Tax

Word  PDF

- March 2026
Annex [J] - Table of Listed and Unlisted Subcontractors and Scope of Sub-contracting Services to be undertaken

Word  PDF

- March 2026
Annex [K] - Requirements of ISO 9000 Certification

Word  PDF

- March 2026
Annex [L] - Letter of Confirmation for Compliance with National Security

Word  PDF

- March 2026
Annex [M] - Sample Declaration Letter on Anti-collusion Undertaking

Word  PDF

- March 2026
Annex [X] - Declaration and Consent Form for Bidder

Word  PDF

- December 2025
Annex [Y] -  Declaration and Consent Form for Proposed Key Personnel

Word  PDF

- December 2025
13 Sample Template of Guidelines on Preparation of Technical Proposal word  pdf PDF December 2025
14

Sample Template of Guidelines on Preparation of Fee Proposal

Word  PDF PDF January 2026