Advance Payment Guarantee

An advance payment guarantee is an undertaking by a bank or insurer to repay a buyer the money it has paid up front to a supplier or contractor, if the supplier does not deliver and does not return the advance itself. It is used in construction, engineering, capital equipment and large supply contracts, where the seller needs cash at the start to buy materials or mobilise staff and the buyer wants protection before releasing that cash.

The guarantee is one of a family of contract guarantees that also includes the bid bond, the performance bond and the retention money guarantee. It is normally issued as an independent demand guarantee, often under the International Chamber of Commerce's Uniform Rules for Demand Guarantees (URDG 758), or in the United States as a standby letter of credit.

Think of hiring a builder who asks for a deposit before starting your kitchen. You are happy to pay, because the builder needs to buy cabinets and tiles, but you worry that the builder might vanish with your money. An advance payment guarantee is a promise from the builder's bank that says: if the builder walks away without doing the work or giving the deposit back, the bank will repay you.

The promise shrinks as the job moves forward. Once half the kitchen is built, the builder has in effect earned half the deposit, so the bank only stands behind the half that is still at risk. When the work is finished, the promise ends. The buyer gets its cash safety net, and the builder gets the money it needs to begin, without either side having to trust the other blindly.

The underlying contract sets the advance, commonly a percentage of the contract price, and says the buyer will pay it only after receiving an acceptable guarantee. The contractor (the applicant) asks its bank to issue the guarantee in favour of the buyer (the beneficiary). Where the buyer insists on a local bank, the contractor's bank may instead send a counter guarantee to a bank in the buyer's country, which then issues the local guarantee.

Two clauses shape almost every advance payment guarantee:

• Effectiveness clause. The guarantee comes into force only when the advance has actually reached the contractor's account, often a named account at the issuing bank, so the bank is never exposed for money the contractor never received.
• Reduction clause. The guaranteed amount falls as the advance is recovered, usually by deducting a share of each interim payment certificate or by evidence of deliveries.

The amount still covered at any point can be written as:

• $G_t$ is the guaranteed amount outstanding at time $t$.
• $A$ is the original advance.
• $r$ is the recovery rate deducted from each certified payment.
• $V_t$ is the cumulative value of work certified to date.

For example, on a 10,000,000 contract with a 20% advance of 2,000,000, recovered at 20% of each certificate, once 4,000,000 of work has been certified the recovered amount is 800,000, so the guarantee stands at 2,000,000 minus 800,000, which is 1,200,000. When certified work reaches 10,000,000, the guarantee falls to zero.

Most advance payment guarantees are payable on first demand: the beneficiary presents a written demand, usually with a statement that the contractor has failed to repay the unearned advance, and the guarantor pays without investigating the construction dispute. Banks therefore treat it as a direct obligation backed by the contractor's credit line, cash collateral or a counter-indemnity.

URDG 758, in force since 1 July 2010, sets out the presentation of demands, the examination period and the handling of reductions, and its model forms are widely copied. Standbys issued for the same purpose usually follow the International Standby Practices (ISP98). Development lenders such as the World Bank Group publish their own templates. Surety companies issue a comparable instrument, sometimes called an advance payment bond, but a surety bond is usually conditional on proof of the contractor's default rather than payable on simple demand.

The contractor pays an issuance fee, typically a percentage per year of the outstanding amount, and the bank counts the guarantee against the contractor's facility limits. Because the exposure is contingent rather than a funded loan, it sits off the balance sheet, but the bank still holds capital against it: under the Basel framework underlying Basel III, guarantees tied to a specific transaction generally receive a 50% credit conversion factor. Exporters in emerging markets sometimes obtain cover from an export credit agency (ECA), which can back the bank's issuance and free up working capital lines.

For the buyer the main question is the strength of the guarantor. A guarantee from a weak bank in a high-risk country is only as good as that bank, which is why buyers sometimes ask for it to be confirmed or reissued by a stronger institution. The analysis is classic credit risk on the guarantor rather than on the contractor.

• Unfair calling. Because payment is on demand, a buyer can call the guarantee during a dispute even when the contractor believes it has performed. The contractor's remedy is usually to recover the money later through the courts or arbitration.
• Fraud exception. Courts in most common-law and civil-law systems will block payment only in clear cases of fraud or abuse, a high bar that protects the instrument's reliability.
• Missed reductions. If the contractor does not send the bank evidence of progress, the guarantee may stay at its full amount, inflating fees and the exposure that can be claimed.

Compared with paying cash in advance with no protection, the guarantee shifts the buyer's exposure from the contractor to a bank, which is why it is a standard feature of contracts financed by governments and multilateral lenders, as well as many public-private partnership projects.

• International Chamber of Commerce
• World Bank