Assignment of Rights and Transfer of Debts Under the Kuwaiti Civil Code
05 September 2026

An analysis of the transfer of obligations under Kuwait Civil Code No. 67 of 1980: assignment of rights and the conditions for its effectiveness against the debtor and third parties, transfer of debt and the creditor's consent, the debtor's defences, the assignor's warranty, and the distinction from delegation and subrogation.

An obligation is a legal bond between creditor and debtor, but it is not a rigid bond incapable of change in its parties. A creditor may need to realise a claim before it falls due and sell it on, and a debtor may wish another person to assume the debt in their place. Kuwait Civil Code No. 67 of 1980 regulates these two situations as assignment of rights and transfer of debts, laying down different conditions for each reflecting the different interests protected. This article explains those rules in practical terms for businesses and individuals alike.

Assignment of Rights

An assignment is an agreement by which a creditor transfers their claim against the debtor to another person, who takes their place in the right with all its security:

  • The parties: the assignor, being the original creditor, the assignee, being the new creditor, and the assigned debtor who owes the debt.
  • Formation between assignor and assignee: the assignment is validly concluded by agreement between these two alone. The debtor's consent is not required, since a change in the person of the creditor adds nothing to the debtor's burden.
  • Subject matter: it may cover a claim that is due, deferred, or conditional. Claims whose assignment is prohibited by law, by their nature, or by agreement, such as maintenance and rights attached to the person, may not be assigned.
  • Transfer with accessories: the claim passes to the assignee with its qualities and security, including mortgage, suretyship, privilege, and accrued interest, and with the defences attaching to it.

Effectiveness Against the Debtor and Third Parties

Here lies the most important practical point, since an assignment valid between its parties does not automatically bind the debtor:

  • Acceptance or notification: the assignment does not take effect against the debtor unless they accept it or are validly notified of it.
  • Payment before knowledge: where the debtor pays the original creditor before notification or acceptance, they are discharged and cannot be required to pay again. The assignee's recourse is against the assignor for what was received.
  • Effectiveness against third parties: the same rule applies as against third parties such as the assignor's creditors and a second assignee of the same claim. Priority turns on acceptance or notification, not on the date of the agreement.
  • Acceptance with a fixed date: the debtor's acceptance should bear a fixed date to avoid disputes over priority where there are several assignees.

Notification or acceptance is therefore the single most important practical step in any assignment, and neglecting it is the most common cause of an assignee losing their right.

The Debtor's Defences

The debtor was not a party to the assignment, so their position may not be worsened by it:

  • Defences attaching to the debt: the debtor may raise against the assignee every defence available against the assignor, such as invalidity of the contract, extinction by payment, or prescription.
  • Defences arising before effectiveness: defences that arose before the assignment took effect against the debtor may be raised.
  • Unqualified acceptance: where the debtor accepts the assignment unconditionally, this may be treated as waiving certain defences known to them. Debtors are therefore advised to record an express reservation of rights in their acceptance.
  • Set-off: raises a delicate question, since the availability of set-off depends on when the cross-claim arose and when the debtor learned of the assignment.

The Assignor's Warranty

The assignor remains bound to the assignee by a measure of warranty determined by the nature of the assignment:

  • Warranty of existence: where the assignment is for value, the assignor warrants the existence of the claim at the time of assignment. If the claim proves non-existent or void, the assignee has recourse against them.
  • No warranty of solvency: the assignor does not warrant the debtor's solvency or ability to pay unless expressly agreed. The risk of insolvency falls on the assignee.
  • Agreed warranty of solvency: where solvency is warranted, the warranty relates to solvency at the time of assignment rather than at maturity, unless otherwise agreed.
  • Gratuitous assignment: carries no warranty, as a donor is not bound beyond what was given.

Transfer of Debt: The Creditor's Consent

Transfer of debt differs fundamentally from assignment of rights, for an obvious reason. A change in the person of the debtor directly affects the creditor's security:

  • Consent required: a transfer of debt does not take effect against the creditor without their consent, since the new debtor's means may be weaker than the original's.
  • Two forms: by agreement between the original debtor and the transferee followed by the creditor's ratification, or by direct agreement between creditor and transferee.
  • Effect: the original debtor is discharged and the obligation passes to the transferee, unless it is agreed that the former remains a guarantor.
  • Fate of security: real security provided by the original debtor passes unless otherwise agreed, whereas a third party's suretyship survives only with the surety's consent, since they guaranteed a particular person.
  • The transferee's defences: they may raise defences attaching to the debt itself and any personal defences against the creditor.

Distinguishing Related Mechanisms

Assignment is often confused with neighbouring mechanisms, and the distinction matters for determining effects:

  • Delegation: the debtor appoints another to pay on their behalf. It may be discharging, where the creditor intends to release the original debtor, or non-discharging, leaving the former still bound.
  • Subrogation: occurs where a third party pays the debt and takes the creditor's place by operation of law or by agreement. It differs from assignment in that the claim is extinguished and then revived for the payer's benefit.
  • Novation: extinguishes the old obligation with its security and substitutes a new one, unlike assignment where the same obligation continues with its security intact.
  • Practical significance: the distinction matters most for the fate of security, defences, and limitation periods. Confusing them may cost a creditor their security.

Practical Guidance

  • Do not rely on the assignment agreement alone. Notify the debtor immediately or obtain written acceptance bearing a fixed date.
  • Examine the underlying contract for a prohibition on assignment. Many commercial agreements restrict transfer without consent.
  • When buying a debt, verify its existence, that it has not been extinguished, and its limitation period before purchase. The assignor's warranty does not compensate for lost time.
  • Debtors should make acceptance of an assignment subject to an express reservation of all defences against the original creditor.
  • In a transfer of debt, obtain the creditor's written consent before relying on the original debtor's discharge.
  • Record the fate of guarantees and mortgages expressly in the agreement rather than leaving it to interpretation.

Transfer of obligations is a highly useful financing and commercial tool, but its effectiveness depends on precise formalities that are frequently neglected. Yamnak Law Firm advises on structuring assignments and debt transfers, drafts the agreements and notification procedures, and represents parties in disputes over their effectiveness.

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