A demand under a financial guarantee is a documentary act. The beneficiary presents a written demand at the place of presentation stated in the guarantee, within its validity, for an amount not exceeding the guaranteed amount. The demand must comply with the guarantee's own requirements: the correct addressee, reference to the guarantee, the amount claimed, and any supporting statement the wording calls for.
Most well-drafted guarantees require a statement of breach. Under URDG 758 a demand must be supported by a statement indicating in what respect the applicant is in breach of its obligations, unless the guarantee expressly dispenses with it. That requirement is not a technicality: it forces the beneficiary to put its allegation in writing, on its own signature, before money moves. Guarantees can also require named third-party documents — an unpaid invoice, a statement of account, a certificate from a specified party — and those requirements are agreed at drafting stage.
The guarantor then examines. Under URDG 758 the guarantor has five business days following the day of presentation to examine the demand and decide whether it is complying. If it is not, the guarantor gives a single notice of rejection stating each discrepancy relied on. If it is complying, the guarantor pays and the applicant reimburses under the counter-indemnity it has signed.
Extend-or-pay demands are a common intermediate step. The beneficiary presents a demand but offers to withdraw it if the guarantee's expiry is extended, usually because the underlying contract has slipped. URDG 758 gives the guarantor the ability to suspend payment for a limited period while the parties consider the request. In practice the applicant then chooses: agree the extension and keep the relationship and the contract alive, or refuse and let the demand run its course.
Expiry and release close the file. A guarantee terminates on its expiry date or expiry event, on payment of the maximum amount, or on the beneficiary's written release, and reducing clauses can step the amount down as the secured obligation is performed or repaid. Returning the original paper is good practice but is not what ends the liability; the wording is.
What genuinely protects the applicant is drafting done before issuance. A finite expiry date rather than an open-ended one. A clear reduction schedule. A maximum amount that matches the real exposure and not the full contract value. A requirement for a statement of breach and, where appropriate, third-party evidence. A named place of presentation, an applicable rule set, and a governing law and forum the applicant can live with. Careful verbiage does not make an unfair call impossible, because the instrument is independent by design, but it materially narrows the circumstances in which a demand can succeed and it gives the applicant a documented position from the first day.