Jurisprudence, Interpretation and General Laws · Law relating to Limitation

Fraud, Mistake, Acknowledgment and Part Payment under Sections 17-21

Updated 11 October 2026 · Fact-checked

Sections 17 to 21 of the Limitation Act, 1963 change when limitation runs. Fraud or mistake delays the start until discovery. A signed written acknowledgment (Section 18) or a part payment (Section 19) made within time gives a fresh period. Section 21 fixes the date of suit for a newly added party.

Understand Fraud, Mistake, Acknowledgment and Part Payment (Sections 17-21)

Limitation normally starts on a fixed date and keeps running. Section 3 says a suit filed after the prescribed period must be dismissed, even if the defendant never raised limitation. Sections 17 to 21 are the exceptions that delay the start of time or restart it.

Fraud or mistake (Section 17). A wrongdoer should not gain from hiding the truth. So the period does not begin until the plaintiff discovers the fraud or mistake, or could have discovered it with reasonable diligence. This applies where the suit is based on the defendant's fraud, where knowledge of the right is concealed by fraud, where relief is sought for a mistake, or where a necessary document is fraudulently concealed. For a concealed document, time starts when the plaintiff first had the means of producing it or compelling its production.

There is a protection for innocent buyers. A suit cannot be brought to enforce a charge against, or set aside a transaction affecting, property bought for valuable consideration by a person who was not a party to the fraud and did not know or have reason to believe it. Similar protection exists for mistake and concealed documents. Section 17(2) lets a court extend the time for executing a decree if the judgment-debtor prevented execution by fraud or force. The application must be made within one year of discovering the fraud or the force ceasing.

Acknowledgment (Section 18) and part payment (Section 19). These give a fresh period, counted from the date of the acknowledgment or payment. Both must happen before the prescribed period expires. The idea is simple: a debtor who admits the debt in writing, or pays part of it, shows the claim is alive.

Other persons (Sections 20 and 21). Section 20 deals with who can acknowledge or pay. One joint contractor, partner, executor or mortgagee is not made liable only because another signed an acknowledgment or made a payment. Section 21 says that a new plaintiff or defendant added after the suit starts is treated as having sued on the date added, unless the court finds the omission was a good faith mistake.

Key rules to remember

Fraud or mistake: start of time (Section 17(1)): Limitation starts on the date of discovery, or the date it could have been discovered with reasonable diligence; For a concealed document, time starts when the plaintiff first had the means of producing it or compelling its production.
Acknowledgment (Section 18): Written + signed by the party against whom the right is claimed (or through whom he derives title or liability) + made before the period expires = fresh period from the date of signing; Signing can be personal or by a duly authorised agent. Undated writing: oral evidence of the time of signing is allowed, but not of its contents.
Part payment (Section 19): Payment on account of a debt (or interest on a legacy) + made before expiry by the person liable or his authorised agent + acknowledgment of the payment in the payer's handwriting or signed writing = fresh period from the date of payment; The acknowledgment proviso does not apply to interest paid before 1 January 1928. A decree or order money is not a debt under Section 19.
What an acknowledgment may contain (Section 18, Explanation): Valid even if it omits the exact nature of the property or right, says the time for payment has not come, refuses to pay, claims set-off, or is addressed to a stranger; An application to execute a decree is not an application in respect of any property or right.
Several persons (Section 20(2)): Acknowledgment or payment by one joint contractor, partner, executor or mortgagee does not bind the others by itself; Under Section 20(3), a Hindu family manager's acknowledgment or payment binds the whole family for a liability incurred by the family.
New party (Section 21): Suit is treated as instituted against or by a new party on the date he is added; earlier date possible if omission was a bona fide mistake; Section 21(2): no effect where parties change by assignment or devolution during the suit, or where plaintiff and defendant swap sides.

How to solve Fraud, Mistake, Acknowledgment and Part Payment (Sections 17-21) questions

Use the same sequence for any problem on fraud, acknowledgment, payment or added parties.

1Identify the claim and its prescribed period and the date time began to run (the cause of action).
2Spot the trigger: fraud or mistake, a written admission, a payment, or a new party being added.
3For fraud or mistake, find the date of discovery or the date it could have been found with reasonable diligence. Check whether an innocent buyer for value is involved.
4For acknowledgment, test each condition: writing, signed, by the right person, made within the original period, about the property or right.
5For part payment, test: debt, made in time, by the debtor or authorised agent, and a written or handwritten acknowledgment of the payment.
6If it is a joint liability, apply Section 20: whose act is it, and does it bind the others?
7Count the fresh period from the right date and compare it with the filing date.
8Close with a clear conclusion: suit within time or barred under Section 3.

Quickest way: Four-question check

When to use it: Use when a fact-based question has dates and a document or payment.

Was the act done before the old period expired? If no, there is no fresh start.
Is there a signed writing (Section 18) or a payment with a signed or handwritten acknowledgment (Section 19)?
Did the right person do it, with Section 20 in mind?
Add the full period to the new date and compare with the filing date.

Common mistakes in Fraud, Mistake, Acknowledgment and Part Payment (Sections 17-21)

Treating an acknowledgment made after the period expired as giving a fresh period.
Students remember that acknowledgment renews time but forget the condition.
Fix: Always check that the acknowledgment or payment came before the prescribed period expired.
Accepting an oral acknowledgment or oral promise to pay.
Everyday dealings treat a spoken admission as enough.
Fix: Section 18 needs writing signed by the party. Oral evidence only helps to prove the time of an undated writing, not its contents.
Applying Section 19 to part payment without any written acknowledgment of the payment.
Students think payment alone is proof.
Fix: The proviso requires an acknowledgment of the payment in the payer's handwriting or a signed writing (except interest paid before 1 January 1928).
Holding all joint debtors or partners liable after one signs.
Students treat the group as one person.
Fix: Under Section 20(2) one person's acknowledgment or payment does not by itself make the others chargeable.
Starting time from the date of the fraud rather than its discovery.
Students apply the general rule of accrual.
Fix: Under Section 17(1), time runs from discovery, or from when discovery was possible with reasonable diligence.
Applying the discovery rule against an innocent purchaser for value.
Students forget the proviso to Section 17(1).
Fix: State the proviso: no suit lies to enforce a charge or set aside a transaction on property bought for value by someone unaware of the fraud and not a party to it.

Worked examples

Example 1

Ravi owes Meera ₹2,00,000 under a loan, and the prescribed period expires on 31 March 2026. On 10 January 2026 Ravi signs a letter saying, "I admit that I owe you ₹2,00,000 but cannot pay now." Meera files a suit on 15 February 2029, and the period for the claim is three years. Is the suit within time?

Show the solution

Provision: under Section 18(1), a signed written acknowledgment of liability made before the period expires gives a fresh period from the date of signing.
Facts: the letter is in writing, signed by Ravi, who is the party liable, and was made on 10 January 2026, before the period expired on 31 March 2026.
The statement that he cannot pay now does not defeat it. The Explanation to Section 18 says an acknowledgment may be sufficient even if it says the time for payment has not come or is accompanied by a refusal to pay.
Fresh period: three years from 10 January 2026 ends on 9 January 2029 (counted from the date of signing, ignoring any exclusion).
Meera filed on 15 February 2029, after 9 January 2029.

Answer: The letter is a valid acknowledgment under Section 18 and gave a fresh period from 10 January 2026. However, that fresh period ended in January 2029, so a suit filed on 15 February 2029 is barred under Section 3.

Example 2

Asha sold land to Bala in 2020. In 2023 she discovered that Bala had concealed a document showing her title and that she was cheated by his fraud. Bala sold the land to Chitra for full price in 2022. Chitra did not know of the fraud. Can Asha rely on Section 17 to sue Chitra?

Show the solution

Provision: Section 17(1) delays the start of limitation until the fraud is discovered or could have been discovered with reasonable diligence. For a concealed document, time starts when the plaintiff first had the means of producing it or compelling its production.
Application against Bala: Asha's suit is based on his fraud, so time against him starts at discovery in 2023, not from the date of sale.
Proviso: nothing in Section 17 enables a suit to set aside a transaction affecting property that was bought for valuable consideration by a person who was not a party to the fraud and did not know or have reason to believe it.
Facts: Chitra paid full price and had no knowledge of the fraud, so she is protected by the proviso.
Asha cannot use Section 17 to set aside the sale to Chitra.

Answer: Asha can use Section 17 against Bala, because time runs from discovery in 2023. She cannot use it to attack the sale to Chitra, an innocent purchaser for value, because of the proviso to Section 17(1).

Exam tips

Write the provision first, with the section number, then apply the facts and end with a clear conclusion.
For problems, list the dates in order: cause of action, original expiry, acknowledgment or payment, filing date.
Learn the three conditions that fail most answers: before expiry, in writing and signed, by the right person.
Keep Sections 18 and 19 separate in comparison questions: acknowledgment needs a signed writing; part payment needs payment plus a signed or handwritten acknowledgment of it.
Mention the Section 17 proviso and the Section 20(2) rule on joint persons for full marks.

Practice questions from Law relating to Limitation

Fraud, Mistake, Acknowledgment and Part Payment (Sections 17-21): frequently asked questions

What is the difference between acknowledgment and part payment under the Limitation Act?

Acknowledgment under Section 18 is a signed written admission of liability. Part payment under Section 19 is an actual payment on account of a debt, which must be acknowledged in the payer's handwriting or a signed writing. Both must happen before the period expires and both give a fresh period.

Does an acknowledgment have to be addressed to the creditor?

No. The Explanation to Section 18 says an acknowledgment may be sufficient even if it is addressed to a person other than the one entitled to the property or right. It must still be in writing and signed by the party liable.

Can an agent sign an acknowledgment?

Yes. Under Section 18, signed means signed personally or by an agent duly authorised in this behalf. Section 20(1) adds that for a person under disability, the lawful guardian, committee or manager, or their authorised agent, can act.

When does limitation start in a case of fraud?

Under Section 17(1), it starts when the plaintiff discovers the fraud or could have discovered it with reasonable diligence. For a concealed document, it starts when the plaintiff first had the means of producing the document or compelling its production.

What does Section 21 say about adding a new party?

The suit is treated, for the new party, as instituted on the date he is added. If the court is satisfied that the omission was a good faith mistake, it can direct an earlier date. This does not apply to additions on assignment or devolution during the suit, or where plaintiff and defendant swap roles.