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A Debt Acknowledgment / Promissory Note is a written, signed instrument by which a debtor (the maker) acknowledges an existing debt and unconditionally undertakes to pay a certain sum to the creditor (the payee) on demand or on a specified date. Unlike a loan agreement, which creates a new lending relationship by advancing funds, this instrument documents a debt that already exists — arising, for example, from an earlier informal loan, an unpaid invoice, a settlement, or any other obligation the debtor now formally acknowledges in writing. Promissory note under the Negotiable Instruments Act 1881: where the instrument is drafted as an unconditional undertaking, signed by the maker, to pay a certain sum of money to, or to the order of, a specified person or to bearer, it falls within the definition of a "promissory note" under Section 4 of the Negotiable Instruments Act 1881. That characterisation matters because it brings the instrument within the negotiable-instruments framework, including its presumptions in favour of the holder and its rules on negotiability, endorsement, and presentment. Stamping is not optional: a promissory note is a stamp-chargeable instrument under the Indian Stamp Act 1899. Section 35 of the Act provides that an instrument chargeable with duty which is not duly stamped cannot, subject to limited statutory exceptions, be admitted in evidence or acted upon by a court. In practice this means an insufficiently stamped promissory note can be very difficult to enforce even if the debt itself is genuine, so the instrument should be stamped correctly, at the value and in the manner prescribed for the state in which it is executed, before the parties rely on it. Reviving a time-barred debt: Section 25(3) of the Indian Contract Act 1872 creates an important exception to the ordinary rule that a promise without consideration is not enforceable. Where a person makes a written promise, signed by them or their authorised agent, to pay a debt that could no longer be enforced because of the law of limitation, that written and signed promise is binding even though it is not supported by fresh consideration. A properly executed debt acknowledgment can therefore restart the clock on an otherwise time-barred debt, which is one of the most common practical reasons this instrument is used. How this differs from a loan agreement: a loan agreement documents the creation of a lending relationship — money moving from lender to borrower for the first time, together with the terms on which it is to be repaid. A debt acknowledgment or promissory note, by contrast, assumes the debt already exists (however it arose) and its purpose is to formally record the debtor's acceptance of that obligation and their promise to pay, often to strengthen the creditor's evidentiary position or to extend the limitation period. Repayment by post-dated cheque: where the parties agree that the debt will be repaid by one or more post-dated cheques, the dishonour of any such cheque on presentation — for insufficiency of funds or because it exceeds the arrangement with the bank — can expose the maker to criminal liability under Section 138 of the Negotiable Instruments Act 1881, provided the statutory notice and time limits for prosecution are complied with by the payee. Parties relying on cheque repayment should understand this consequence exists independently of any civil remedy. When to use this instrument: to formally record an existing, previously undocumented debt (such as an informal loan between acquaintances or an unpaid business balance), to revive a debt that risks becoming time-barred, or wherever a creditor wants a signed, stamped, and more easily enforceable record of the debtor's acknowledgment and promise to pay. Common drafting mistakes: leaving the instrument unstamped or under-stamped, failing to make the payment undertaking genuinely unconditional (which can take the instrument outside the definition of a promissory note), omitting a clear due date or demand mechanism, and confusing this instrument with a fresh loan agreement when the underlying debt already exists.
Name of the debtor (maker)
Address of the debtor
Name of the creditor (payee)
Address of the creditor
Acknowledged debt amount (INR)
Origin/cause of the debt
Payment terms (on demand or fixed date)
Due date for payment, if fixed
Whether repayment is via post-dated cheque
Interest rate on overdue amount, if any
Date of execution