Contract Extension Agreement (Hong Kong)
Extension and Variation of Existing Contract
CONTRACT EXTENSION AGREEMENT
This Contract Extension Agreement ("Extension Agreement") is entered into on [Extension Agreement Date] between: (1) [Party1 Name] ("Party 1"); and (2) [Party2 Name] ("Party 2"). Together referred to as the "Parties".
Background
A. The Parties entered into the [Original Contract Name] on [Original Contract Date] ("Original Contract"), which expires on [Original End Date]. B. The Parties wish to extend the term of the Original Contract and to vary certain terms as set out in this Extension Agreement. C. The Parties agree that the extension is for good and valuable consideration, the receipt and sufficiency of which is acknowledged.
1. Extension of Term
1.1 The Parties agree that the term of the Original Contract is hereby extended with effect from [Extension Start Date] until [New End Date] ("Extended Term"), subject to the terms of this Extension Agreement. 1.2 During the Extended Term, all terms and conditions of the Original Contract shall continue in full force and effect, except as expressly varied by this Extension Agreement. 1.3 This Extension Agreement shall form part of and be read together with the Original Contract. In the event of any conflict between this Extension Agreement and the Original Contract, the terms of this Extension Agreement shall prevail.
2. Varied Terms
2.1 The following terms of the Original Contract are varied with effect from [Extension Start Date]: Updated Fee / Rate: [Updated Fee] Updated Scope / Other Variations: [Updated Scope] 2.2 All other terms and conditions of the Original Contract that are not expressly varied by this Extension Agreement remain unchanged and in full force and effect.
3. Auto-Renewal
3.1 Auto-renewal included: [Auto Renewal]. 3.2 Where auto-renewal applies: At the expiry of the Extended Term (and each subsequent renewal term), the Original Contract (as extended and varied) shall automatically renew for a further period of the same duration, unless either Party gives the other at least [Auto Renewal Notice] written notice of its intention not to renew prior to the expiry of the then-current term. 3.3 Where auto-renewal does not apply: The Original Contract shall expire on [New End Date] unless the Parties enter into a further written extension or renewal agreement.
4. General
4.1 This Extension Agreement constitutes the entire agreement between the Parties with respect to the extension and variation of the Original Contract. 4.2 This Extension Agreement shall be governed by and construed in accordance with the laws of the Hong Kong Special Administrative Region. Any dispute shall be subject to the exclusive jurisdiction of the Hong Kong courts. 4.3 This Extension Agreement may be executed in counterparts, each of which shall be deemed an original. IN WITNESS WHEREOF the Parties have executed this Extension Agreement on [Extension Agreement Date].
Party 1 (Authorised Signatory)
________________
Signature
Party 2 (Authorised Signatory)
________________
Signature
What Is a Contract Extension Agreement (Hong Kong)?
A Contract Extension Agreement in Hong Kong sets out the rights and obligations the parties agree to be bound by.
Hong Kong contract law is governed by common law principles developed by the Court of Final Appeal, the Court of First Instance, and the Court of Appeal, supplemented by extensive reference to English common law authority. Under Hong Kong common law, a valid contract variation — including an extension of the contract term — requires offer, acceptance, and consideration. Consideration for an extension is typically found in: the parties' mutual promises to continue performing; any revised commercial terms (such as an adjusted fee or price); or the parties' execution of the extension as a deed under Section 3 of the Law Amendment and Reform (Consolidation) Ordinance (Cap. 23), which removes the consideration requirement.
A Contract Extension Agreement is preferable to an informal email exchange or verbal agreement for several reasons. First, it creates a definitive written record of the new expiry date, preventing disputes about when the extended term ends. Second, it provides an opportunity to update terms that have become outdated or commercially inappropriate since the original contract was executed — such as pricing, fee schedules, insurance limits, or data protection clauses updated for the Personal Data (Privacy) Ordinance (Cap. 486) Amendment Ordinance 2021. Third, it provides clarity on the treatment of accrued obligations — the extension preserves rights and obligations that arose during the original term, including outstanding payments, warranties, and indemnities. Fourth, it prevents the risk of inadvertent contract expiry: in Hong Kong, commercial contracts that expire without formal renewal typically end automatically unless they contain automatic renewal clauses, which courts construe narrowly.
The Limitation Ordinance (Cap. 347) is relevant to Contract Extension Agreements because extending a contract may also extend the limitation period applicable to claims arising under it. Under Section 4 of Cap. 347, the limitation period for a contractual claim in Hong Kong is six years from the date the cause of action accrued. Where a contract is extended, parties should consider whether any historic claims under the original term remain within the limitation period and whether the extension should include a release of pre-extension claims.
Stamp duty under the Stamp Duty Ordinance (Cap. 117) may apply to Contract Extension Agreements that extend leases of Hong Kong immovable property. The extension of a lease for a fixed term is treated as a new lease instrument and attracts ad valorem stamp duty at rates determined by the annual rent and the lease term. For commercial contracts other than property leases, no stamp duty applies to a Contract Extension Agreement. Section 4 of the Limitation Ordinance (Cap. 347) sets the six-year limitation period for contractual claims in Hong Kong; the Law Reform Commission of Hong Kong has examined limitation periods applicable to extended contracts, and Section 3 of the Law Amendment and Reform (Consolidation) Ordinance (Cap. 23) governs the execution of deeds — including Contract Extension Agreements executed as deeds before a witness at the High Court Building, 38 Queensway, Hong Kong — removing the need for fresh consideration under Hong Kong common law.
When Do You Need a Contract Extension Agreement (Hong Kong)?
Contract Extension Agreement in Hong Kong is needed whenever the parties to a commercial contract wish to continue their relationship beyond the original expiry date without the cost and delay of negotiating and executing a new contract from scratch.
Service and consulting contracts expiring at the end of a project phase require a Contract Extension Agreement when the project is not yet complete and both parties wish to continue the engagement. The extension should specify the new delivery date, any revised scope, and whether the fee structure is maintained or adjusted.
Technology, software, and SaaS agreements in Hong Kong's active fintech sector require formal extensions when the client wishes to continue using the vendor's platform after the initial licence term. The extension provides an opportunity to renegotiate the fee, update service level terms, and incorporate new data protection provisions required by the Personal Data (Privacy) Ordinance (Cap. 486).
Commercial leases of office, retail, and industrial premises in Hong Kong require lease extensions documented through a Deed of Variation of Lease or a supplemental agreement rather than a verbal arrangement. Property extensions with an adjusted rent may require re-stamping at the Stamp Office under Cap. 117.
Distribution and agency agreements between Hong Kong distributors and overseas principals require periodic Contract Extension Agreements as the commercial relationship matures and the market conditions evolve. The extension may update minimum purchase obligations, marketing commitments, and territory definitions.
Joint venture agreements between Hong Kong and Mainland Chinese, Singaporean, or international partners require formal Contract Extension Agreements when the joint venture's initial term expires but the commercial purpose has not yet been fully achieved. The extension must be consistent with any Companies Ordinance (Cap. 622) obligations relating to the joint venture vehicle.
Employment-related service contracts — such as project-based staffing agency agreements and executive search retainers — require extension documentation when the recruitment mandate continues beyond the initial engagement period, particularly where the fee arrangement includes a success-based component payable on completion.
Insurance and professional services contracts — including solicitor retainer agreements, accountancy engagement letters, and insurance broker agreements — require formal Contract Extension Agreements when the initial engagement period expires and the parties wish to continue. For SFC-licensed corporations, extending intermediary agreements must be consistent with the SFC's requirements for client agreements under the Code of Conduct for Persons Licensed by or Registered with the Securities and Futures Commission.
What to Include in Your Contract Extension Agreement (Hong Kong)
Contract Extension Agreement in Hong Kong must contain the following essential elements to create a valid and enforceable extension under Hong Kong common law, consistent with the Limitation Ordinance (Cap. 347) and, where applicable, the Stamp Duty Ordinance (Cap. 117).
Party Identification records the full legal names and Company Registration Numbers from the Companies Registry (Cap. 622) of the parties exactly as they appear in the original contract. Any change in legal entity name or corporate structure since the original contract was executed must be noted and addressed.
Identification of the Original Contract states the full name of the contract being extended, its date of execution, and a brief description of its subject matter. Where the contract has been previously amended or extended, each prior amendment or extension should be identified to create a clear chain of contractual instruments.
Extension of Term specifies the new expiry date or the duration of the extension period. The new expiry date must be stated precisely — not as a relative period (such as 'for a further 12 months') without anchoring it to a specific start date. The extension commences immediately after the original expiry date unless the parties agree otherwise.
Terms Maintained During Extension confirms that all terms and conditions of the original contract continue in full force and effect during the extension period unless expressly modified in the Extension Agreement. This prevents disputes about which terms apply during the extended term.
Variations to Original Terms (if any) identifies each provision of the original contract that is being modified for the extension period: revised fees or pricing; updated service scope; new insurance limits; revised data protection provisions under Cap. 486; or updated dispute resolution mechanisms. Variations must be stated clearly with 'old' and 'new' provisions.
Consideration confirms the consideration for the extension — typically the mutual continuation of performance obligations, any revised commercial terms, or recital of the extension as a deed to obviate the need for fresh consideration.
Accrued Obligations Statement confirms that all accrued rights and obligations under the original contract are preserved and unaffected by the extension, including outstanding payment obligations, warranties covering works performed during the original term, and limitation periods under Cap. 347.
Stamp Duty Compliance (for property leases) confirms that stamp duty under Cap. 117 has been assessed on the extension instrument and paid at the Stamp Office within 30 days of execution.
Governing Law confirms that Hong Kong law continues to govern the extended contract. The forms-legal.com Contract Extension Agreement template includes a term extension schedule, a variations summary, and an accrued obligations confirmation clause consistent with Hong Kong common law.
MPF and Employment Implications (for contracts involving employed individuals): where the extended contract involves the services of individuals whose employment status under the Employment Ordinance (Cap. 57) and the Mandatory Provident Fund Schemes Ordinance (Cap. 485) may be affected by the extension — for example, a long-term service arrangement that crosses the two-year severance payment threshold or the five-year long service payment threshold — legal advice should be sought before executing the Contract Extension Agreement.
Sources & Citations
Statutory citations link to official government sources.
- Law Amendment and Reform (Consolidation) Ordinance (Cap. 23)HK official
- Personal Data (Privacy) Ordinance (Cap. 486)HK official
- The Limitation Ordinance (Cap. 347)HK official
- Stamp duty under the Stamp Duty Ordinance (Cap. 117)HK official
- Limitation Ordinance (Cap. 347)HK official
- The extension must be consistent with any Companies Ordinance (Cap. 622)HK official
- Hong Kong common law, consistent with the Limitation Ordinance (Cap. 347)HK official
- Stamp Duty Ordinance (Cap. 117)HK official
- Employment Ordinance (Cap. 57)HK official
- Mandatory Provident Fund Schemes Ordinance (Cap. 485)HK official
Cite this page
Reference this free template in an article, syllabus, or research note:
Forms Legal. (2026). Contract Extension Agreement (Hong Kong) (Hong Kong) [Legal document template]. Forms Legal. https://forms-legal.com/hong-kong/business/contracts/contract-extension-agreement-hong-kong
"Contract Extension Agreement (Hong Kong) (Hong Kong)." Forms Legal, 2026, https://forms-legal.com/hong-kong/business/contracts/contract-extension-agreement-hong-kong.
@misc{formslegal-contract-extension-agreement-hong-kong,
author = {{Forms Legal}},
title = {Contract Extension Agreement (Hong Kong) (Hong Kong)},
year = {2026},
howpublished = {\url{https://forms-legal.com/hong-kong/business/contracts/contract-extension-agreement-hong-kong}},
note = {Free legal document template. Based on Law Amendment and Reform (Consolidation) Ordinance (Cap. 23)}
}Also available for these jurisdictions:
Frequently Asked Questions
Under Hong Kong common law, a contract can be extended in several ways. The most straightforward is by written agreement signed by all parties — a Contract Extension Agreement (also called a contract variation or amendment agreement) that expressly extends the term of the original contract and records any other changes agreed by the parties. This is the recommended approach as it creates a clear written record and avoids disputes about oral variations. Alternatively, if an existing contract contains an automatic renewal clause (also called an evergreen clause), the contract may extend automatically unless one party gives notice to terminate before the end of the term. If a contract expires and the parties continue to perform without executing a new agreement, Hong Kong courts may find that the original contract has been impliedly extended on the same terms on a month-to-month or other periodic basis, based on the conduct of the parties. However, this implied extension approach is legally uncertain and should be avoided. A written Contract Extension Agreement provides certainty, allows the parties to update commercial terms (such as fees and scope), and creates an evidentiary record. Under Hong Kong common law, a variation of a contract must be supported by consideration — though in practice, the mutual agreement to extend on potentially updated terms is typically sufficient consideration.
A Hong Kong Contract Extension Agreement should include: (1) Reference to the original contract — full name of the contract being extended, the parties, and the date it was entered into; (2) The new extended term — the specific end date or duration of the extension; (3) Confirmation that all other terms remain unchanged — unless specific terms are being varied; (4) Any variations to existing terms — updated fees, rates, scope of services, or other commercial terms; (5) Consideration — confirmation that the extension is for good consideration (typically the mutual benefit of continuing the arrangement); (6) Conflict clause — stating that in the event of conflict between the Extension Agreement and the original contract, the Extension Agreement prevails; (7) Governing law and jurisdiction — consistent with the original contract. A Contract Extension Agreement should be signed by all parties to the original contract. If the original contract was executed as a deed, the extension agreement should also be executed as a deed (with the requisite formalities) to have equivalent legal effect. The extension agreement should be dated and retained with the original contract as part of the contracting parties' records.
Under Hong Kong common law (which follows English common law), a variation of an existing contract — including an extension of its term — must be supported by consideration from each party to be legally binding. Consideration is the bargained-for exchange that makes a promise enforceable: each party must give something of value in exchange for the other party's promise. In the context of a contract extension, consideration is typically found in: (1) the mutual promises to extend and to continue performing; (2) any changes to commercial terms (e.g. an increased fee in exchange for a longer term); or (3) additional obligations undertaken by either party. Where the extension is on exactly the same terms with no change, some courts may find insufficient fresh consideration for the variation. However, in practice, the courts are generally willing to find consideration if the extension is genuinely mutual — both parties receive the benefit of certainty and a continuing commercial relationship. To be safe, a Contract Extension Agreement should include a recital of consideration and ideally introduce at least a minor change to the commercial terms. Alternatively, the extension can be executed as a deed, which does not require consideration to be legally binding. For significant commercial contracts, legal advice should be sought on the enforceability of the extension.
In Hong Kong commercial practice, the terms 'contract extension' and 'contract renewal' are sometimes used interchangeably but have distinct legal meanings. A contract extension is a continuation of the existing contract — the same contract remains in force, merely with its end date pushed forward. All existing terms, including any dispute history, representations, and ongoing obligations, remain part of the contractual relationship. A contract renewal, by contrast, typically creates an entirely new contract on the same or similar terms as the original, with a fresh start date. A renewal may be expressed as 'the parties agree to enter into a new contract on the following terms...' rather than 'the parties agree to extend the existing contract'. The distinction matters in several contexts: limitation periods (time runs from the date of any breach — a renewal may reset the clock on new obligations but not on past breaches); warranties (a renewal on identical terms re-makes all warranties as at the renewal date); and stamp duty (in rare cases where the original contract attracted stamp duty, an extension may or may not attract further duty depending on whether new consideration is introduced). For most straightforward service contracts and commercial agreements in Hong Kong, the practical difference is minimal, but it is worth being precise about which approach is being used.
Contract extension and contract renewal are often used interchangeably in Hong Kong commercial practice, but they have distinct legal meanings with different implications. A contract extension continues an existing contract beyond its original expiry date. The original contract remains alive — its terms, obligations, limitation periods, and accrued rights persist. A Contract Extension Agreement amends only the expiry date (and any other provisions the parties choose to update). The legal relationship between the parties is uninterrupted: there is no gap between the original term and the extended term. For limitation purposes under the Limitation Ordinance (Cap. 347), the extended period is part of the same contractual relationship and causes of action continue to accrue during the extension. A contract renewal creates a new contract in place of the expired original. The renewal begins after the expiry of the previous contract term. While many renewals preserve the same terms as the original (often by reference), a renewal is technically a new agreement.
This template is provided for informational purposes only and does not constitute legal advice. Laws vary by jurisdiction and change over time. Consult a qualified attorney for advice specific to your situation.Full disclaimer
Found an error? Let us knowRelated Documents
You may also find these documents useful:
Affiliate Agreement (Hong Kong)
A legally binding Affiliate Agreement for Hong Kong businesses that establishes commission structures, promotional obligations, and intellectual property licences. Governed by Hong Kong law with reference to the Trade Descriptions Ordinance (Cap. 362) and the Personal Data (Privacy) Ordinance (Cap. 486) for data handling.
Agency Agreement (Hong Kong)
An Agency Agreement formalises the principal-agent relationship in Hong Kong, authorising an agent to act on behalf of a principal to negotiate and conclude contracts with third parties. The agreement sets out the agent's authority, commission structure, territory, and duties under Hong Kong common law and the Contracts (Rights of Third Parties) Ordinance (Cap. 623).
Arbitration Agreement (Hong Kong)
A binding agreement to resolve disputes through arbitration in Hong Kong, governed by the Arbitration Ordinance (Cap. 609) which adopts the UNCITRAL Model Law. The Hong Kong International Arbitration Centre (HKIAC) is the premier administering institution. Awards are enforceable in 170+ countries under the New York Convention and additionally in mainland China under the Arrangement Concerning Mutual Enforcement of Arbitral Awards.
Asset Purchase Agreement (Hong Kong)
A comprehensive Asset Purchase Agreement for Hong Kong transactions covering the sale and purchase of business assets, including goodwill, equipment, intellectual property, and contracts. Governed by Hong Kong law with reference to the Sale of Goods Ordinance (Cap. 26) and Stamp Duty Ordinance (Cap. 117).
Business Sale Agreement (Hong Kong)
A comprehensive Business Sale Agreement for Hong Kong covering the sale of a going concern, including assets, goodwill, employees, and liabilities. References the Companies Ordinance (Cap. 622), Employment Ordinance (Cap. 57), and Stamp Duty Ordinance (Cap. 117) for full legal compliance.