One pays on a written demand, the other pays once default is established. The difference decides whether your security is money on call or the start of an argument.
Both instruments are called performance bonds in conversation, and they behave nothing alike. An on demand instrument obliges the bank to pay against a compliant demand, almost regardless of the underlying dispute. A conditional surety obliges the surety to pay once the contractor default and the resulting loss are established. Which one you hold determines what your security is actually worth on the day you need it.
On demand bond at a glance
The bank undertakes to pay up to the bond amount on receipt of a demand that complies with the stated requirements, which may be as little as a written statement that the contractor is in breach. The bank does not investigate the underlying contract. The protection is strong and immediate, which is why contractors resist them and price them, and why the drafting of the demand requirements deserves careful attention from a licensed legal adviser.
Conditional surety bond at a glance
The surety becomes liable once the contractor default is established and the loss is quantified, usually through the contract procedure or a determination. The surety is entitled to look behind the demand, may step in to arrange completion, and will defend a call it regards as unjustified. It costs the contractor less and is more acceptable to the market, but your recovery depends on proving your case.
What triggers payment
On demand bond: A demand complying with the instrument terms. The bank examines the documents, not the dispute, and pays if the demand is compliant.
Conditional surety bond: Established default and quantified loss, which usually means following the contract procedure and sometimes obtaining a determination.
Speed of recovery
On demand bond: Days to weeks, assuming the demand is compliant on its face.
Conditional surety bond: Months or longer, because the surety is entitled to test whether the liability exists.
Cost to the contractor, and therefore to the price
On demand bond: Higher. It is treated much like a cash exposure by the bank and consumes facility accordingly.
Conditional surety bond: Lower, because the surety assesses the risk of actual default rather than the risk of a demand.
Risk of an unjustified call
On demand bond: Real. The contractor may have to pay first and litigate afterwards, which is exactly why it resists the form and why fair drafting of the demand conditions matters.
Conditional surety bond: Low. The surety will refuse a call it considers unfounded, which protects the contractor and slows the owner.
Behaviour of the issuer when things go wrong
On demand bond: A bank pays and then recovers from the contractor under its facility. It has no interest in the project itself.
Conditional surety bond: A surety may investigate, negotiate or arrange for the works to be completed, which can be more useful than cash on a part built project.
Drafting sensitivity
On demand bond: Very high. The precise documents required, the expiry date, the place of presentation and the governing terms all decide whether a demand succeeds.
Conditional surety bond: High but different. The definitions of default and loss, and the surety rights to step in, carry most of the weight.
Market availability
On demand bond: Available to contractors with sufficient facility headroom, which can exclude smaller companies from your tender list.
Conditional surety bond: More widely available, and often the only realistic option for a smaller contractor.
When on demand bond wins
- Projects where a funder or an internal policy requires security that can be converted to cash quickly.
- Contracts with a counterparty whose balance sheet you have reason to doubt.
- Situations where the cost of delay in recovering funds would exceed the premium difference.
- Cross border arrangements where pursuing a surety through a dispute process would be slow.
When conditional surety bond wins
- Long standing relationships where the security is a formality rather than an expectation.
- Contracts where the owner is content to establish default before recovering.
- Markets or counterparties where an on demand instrument is simply unobtainable at a sensible price.
- Projects where a surety willingness to arrange completion has real value beyond the money.
How to decide
Choose on the basis of what failure would cost you and how quickly you would need funds. If a contractor failure would leave you funding completion immediately, with a funder or a fixed opening date behind you, the on demand instrument earns its premium. If you could absorb a delay in recovery and want the widest field of bidders, a conditional bond is reasonable. In either case, size the instrument to the likely additional cost of completion and state unambiguously when it is released.
Before award, read the actual draft instrument rather than the requirement in the tender documents, and work through the demand mechanics step by step: who signs, what is enclosed, where it is presented, by when, and what happens at expiry. Then ask a licensed legal adviser to confirm the instrument does what you believe it does under the governing law, since the drafting conventions and the enforcement position in this area change over time and a bond that looks unconditional can contain a condition that defeats it.
Domira builds and supervises projects across Saudi Arabia, and the commercial discipline above is how its projects stay inside their budget and their programme. Send the drawings, the contract or the site and Domira will tell you where the risk actually sits.
Frequently Asked Questions
What is the difference between an on demand bond and a conditional bond?
An on demand bond requires the bank to pay against a compliant written demand without investigating the underlying contract. A conditional bond requires the owner to establish the contractor default and the resulting loss before the surety is liable. The first is faster and stronger security; the second is cheaper for the contractor and gives it protection against an unjustified call.
How do you call a performance bond?
Follow the instrument own terms exactly: the form of demand, the signatory, any documents to be enclosed, the place and manner of presentation, and the expiry date. A demand that departs from the terms can be rejected even when the underlying default is obvious. Take advice from a licensed legal adviser before presenting a demand, because a failed call damages your position on everything that follows.
When should a performance bond be released?
The contract should say, and the usual positions are release at practical completion, release at the end of the defects liability period, or a reduction at completion with a smaller instrument covering the defects period. State the trigger in words that leave no discretion, because a bond with an unclear release provision stays on the contractor facility long after the risk has gone and that cost reaches you in future prices.
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