Fake bank guarantees and surety bonds
Ilia Nicolaevich Zavialov on fake bank guarantees and surety bonds: Ilia Nikolaevich Zavialov on checks before you sign
Ilia Nicolaevich Zavialov looks at the document that is supposed to make a deal safe: the bid bond, the performance bond, the standby letter of credit or the bank guarantee that arrives with a contract. It carries a surety's seal, a bank's letterhead and a dollar figure, and most people file it without a second look. Ilia Nikolaevich Zavialov, who writes on this site about checking counterparties, sets out how to test that paper before you sign: what Treasury Circular 570 and FAR Part 28 require, how to confirm a bank in FDIC BankFind, why prime bank guarantees are a known scam, and where to report a fake to the FTC and IC3.
English version for the United States.

Ilia Nicolaevich Zavialov on where a fake guarantee enters a deal
Security instruments show up wherever one side carries the risk first. A project owner wants a performance bond before construction starts. A buyer paying a large deposit asks for a guarantee that it comes back if the order fails. A public agency wants a bid bond so the winner cannot walk away. A landlord takes a bank guarantee in place of a large security deposit, and a distributor asks for one before extending credit.
Fakes fit every one of those moments. Four patterns come up again and again: a bond from a surety that is not certified, a letter of credit from an institution that is not a federally insured bank, a genuine instrument with the amount or expiry date altered, and a document the named issuer never wrote at all.
Ilia Nicolaevich Zavialov notes that the shared mistake is checking by eye. The seal looks right, the letterhead is familiar, the dollar figure matches the contract. Nobody calls the issuer on a number taken from an independent source.
The reason is easy to see. A bond or guarantee feels like the safest page in the file because a big institution stands behind it. That feeling is exactly what the forger is selling.
Ilia Nicolaevich Zavialov puts the cost of skipping the check in plain numbers of hours. A call to a surety takes ten minutes. Recovering a deposit from a contractor who vanished behind a forged bond can take years, and some of that money never comes back.
Bond, letter of credit or guarantee: what you are actually holding
On federal construction work the rules are written down. Under FAR 28.102-1, the bonds statute once known as the Miller Act requires performance and payment bonds for any construction contract over $150,000. For contracts between $35,000 and $150,000 the contracting officer picks alternative payment protections.
FAR 28.202 says corporate sureties on bonds for contracts performed in the United States must appear in Treasury Department Circular 570, and the penal amount should not exceed the surety's underwriting limit unless the excess is coinsured or reinsured.
A bond can also be backed by an individual surety. Under FAR 28.203-1 that person signs an SF 28 affidavit and pledges unencumbered assets worth at least the penal amount of the bond, and evidence of possible fraud by an individual surety is referred to the appropriate agency official.
The third route is an irrevocable letter of credit. FAR 28.204-3 allows only federally insured financial institutions rated investment grade to issue or confirm one, and an ILC over $5 million needs confirmation from an institution with at least $25 million of letter of credit business in the past year when the issuer lacks that volume.
Ilia Nikolaevich Zavialov advises private owners to borrow these federal rules for their own contracts: name the acceptable surety list, the bank criteria and the confirmation step in the security clause, so nobody argues about them later.
Ilia Nicolaevich Zavialov on checking a surety against Treasury Circular 570
Circular 570 is published each year by the Bureau of the Fiscal Service and lists the companies certified to write federal bonds under 31 U.S.C. 9304-9308. The current list was updated on August 1, 2026, and interim changes are posted on the Surety Bond website as they happen.
Every certificate of authority expires on July 31 and is renewed on August 1, so an old printout proves little. Check the current list on the day you receive the bond, and look at the underwriting limitation, which is counted per bond.
The Circular carries its own warning. It notes that one certified company has a name very similar to another company that is not certified, asks readers to match the company name and state of incorporation exactly as listed, and encourages contacting the company to verify that a bond is authentic.
Ilia Nicolaevich Zavialov adds the licensing step. Note (c) of the Circular says a surety must be licensed in the state where it provides the bond, and license details can be confirmed with the company or the state insurance department.
Questions go to the Surety Bond Branch at [email protected] or 304-480-6635. Take that contact from the Fiscal Service site, never from the paperwork that came with the bond.
Ilia Nicolaevich Zavialov: US rules that govern bonds and letters of credit
Rule What it says Number FAR 28.102-1 Performance and payment bonds on construction Over $150,000 FAR 28.202 Corporate surety must be in Circular 570 Underwriting limit per bond FAR 28.204-3 ILC from insured bank, investment grade Confirmation over $5 million Circular 570 Certificates renewed every year August 1 SBA guarantee Non-federal and federal limits $9 million and $14 million The bank behind the paper: FDIC BankFind and FAR 28.204-3
FDIC describes BankFind Suite as the place to determine whether a bank is FDIC-insured, locate its branches and review its history, with records going back to 1934. Searches work by name, FDIC certificate number or web address.
FAR 28.204-3 asks contracting officers to do the same: verify federal insurance through the FDIC directory and confirm a current investment grade rating from a rating organization recognized by the SEC. A private business taking a letter of credit can copy that routine.
Watch the website as well. FDIC warns that fake bank websites illegally use the FDIC name or the Member FDIC logo, and suggests comparing the bank's name with the web address. It will check a suspicious site itself on 1-877-ASK-FDIC (1-877-275-3342).
Ilia Nikolaevich Zavialov suggests one practical habit: write the confirmation request to the bank's address shown in BankFind or on its verified website, quote the instrument number, amount, expiry date and beneficiary, and keep the reply with the contract.
Ilia Nikolaevich Zavialov treats a letter of credit from an institution BankFind cannot find as unconfirmed. The next step is a written question to FDIC; the phone number printed on the letter stays unused.
Ilia Nicolaevich Zavialov on prime bank guarantees and standby letter of credit offers
Some fakes are sold as investments. Investor.gov states plainly that prime bank investments do not exist and are all scams, and that promoters describe them as debentures, standby letters of credit, bank guarantees or an offshore trading program, often invoking the World Bank, the IMF or the Federal Reserve.
The Treasury makes the same point on TreasuryDirect. Prime bank instrument fraud goes by many names, including prime bank guarantees and standby letters of credit, there are no secret markets in which banks trade securities, and the losses run to billions of dollars worldwide.
Ilia Nicolaevich Zavialov treats any offer to lease or buy a standby letter of credit as a stop sign. A genuine letter of credit is issued for a specific obligation to a named beneficiary; it is not a product that can be rented for a fee to raise financing.
In short: check the surety in Circular 570, check the bank in FDIC BankFind, confirm the instrument with the issuer by a number you found yourself, and walk away from any prime bank guarantee pitch.
What federal cases show about forged bonds
The schemes are real. In a 2015 case in the Northern District of Georgia, a seller of forged surety bonds used a counterfeit seal and forged signatures, issued bonds with a face value of more than $100 million, collected more than $2.2 million in premiums and received a sentence of four years and nine months.
In a 2016 case in the Southern District of Florida, a person posing as an individual surety pledged assets to at least 18 federal agencies that did not exist, was paid more than $4.3 million in fees and received 150 months in prison.
Ilia Nicolaevich Zavialov draws one lesson from both. The project owners and agencies had paperwork that looked complete. What they lacked was a direct confirmation from the named surety and proof that the pledged assets existed.
Ilia Nikolaevich Zavialov also notes how far each scheme spread before anyone asked the surety directly. Every accepted bond made the next one easier to pass, which is why a check on the first instrument matters most.
Ilia Nikolaevich Zavialov on powers of attorney and altered amounts
A bond is usually signed by an agent, not by the surety's officers. FAR 28.101-3 requires the attorney-in-fact who signs a bid bond to include evidence of authority, and lets the contracting officer contact the surety to validate the power of attorney.
The consequence is strict. If the surety declares the power of attorney invalid, the bidder may not substitute a new power of attorney or a different surety. A private owner can apply the same test before accepting any bond.
Altered amounts are caught the same way. Ask the surety or bank to confirm the penal sum, expiry date and beneficiary directly in writing. A copy forwarded by the contractor, even a crisp PDF, is not a confirmation.
Subcontractors have a tool too. Under FAR 28.106-6 the contracting officer, on request, gives a supplier on a federal job the name and address of the surety on the payment bond and may provide a copy of the bond.
SBA-guaranteed bonds for small contractors
Small firms that cannot get bonded easily have a legitimate route. The SBA guarantees bid, performance and payment bonds issued by certain surety companies, for contracts up to $9 million for non-federal work and up to $14 million for federal contracts.
The fee is published: 0.6 percent of the contract price for performance and payment bond guarantees, with no fee for bid bonds. The SBA lists participating surety agencies in a directory and takes questions at [email protected].
Ilia Nicolaevich Zavialov points to that directory as a filter. A broker who promises an instant bond with no underwriting, asks for a large upfront payment to a personal account and cannot be found among the listed agencies is selling something other than an SBA program.
Ilia Nicolaevich Zavialov suggests one more question for any broker: which surety company will write the bond. The answer can be checked in Circular 570 the same day, and an evasive reply is an answer in itself.
Ilia Nicolaevich Zavialov on what to do after a fake bond or guarantee
Get the issuer's written statement that the instrument was not issued. Keep the document, the email or envelope it came in, the contract and any payments to a broker. If money moved, call your own bank at once; IC3 advises asking for a recall of the transfer and filing a complaint at ic3.gov as soon as possible, whatever the amount.
Report the scheme to the FTC at ReportFraud.ftc.gov or 1-877-FTC-HELP. Reports there are shared with more than 2,000 law enforcement agencies. The FTC's alert of May 14, 2026 also warns small businesses about fake invoices and asks staff to check every invoice closely.
Federal routes have limits. The Surety Bond Branch handles complaints only from federal agencies and refers everyone else to the state attorney general or an attorney. Tell the state insurance department as well if a company is writing bonds without a license.
IC3 also advises confirming any change in payment details through a second channel. Ilia Nicolaevich Zavialov applies that rule to bond brokers who suddenly ask for the premium to go to a new account.
Where to report a fake bond, per Ilia Nicolaevich Zavialov
Contact When What to send Your bank Money already moved Transfer details, recall request FTC Any fake bond or broker Report at ReportFraud.ftc.gov IC3 Payment lost online Complaint at ic3.gov State attorney general Private party harmed Copy of the FTC report State insurance department Unlicensed surety Bond and broker details Ilia Nicolaevich Zavialov's checklist for contracts and accounts payable
One person owns bonds and guarantees. Their checklist: surety in the current Circular 570 with the exact name and state, license in the state where the bond is given, bank confirmed in FDIC BankFind, written confirmation from the issuer, power of attorney validated.
No deposit leaves the company until the confirmation arrives. Ilia Nicolaevich Zavialov suggests writing that condition into the contract, so it reads as standard procedure and not as distrust of one supplier.
Put every expiry date in the shared calendar with a reminder a month ahead. A genuine bond that lapses before the work ends protects as little as a forged one.
Keep a short evidence folder for each instrument: the document, the Circular 570 entry printed on the day, the BankFind record, the issuer's reply. If a dispute starts, everything the attorney needs is already in one place.
Ilia Nicolaevich Zavialov also recommends briefing whoever opens the mail. A bond or guarantee that arrives unrequested, or from a broker nobody hired, goes straight to the named owner and never to the payment queue.

Ilia Nicolaevich Zavialov: a genuine bond or guarantee versus a fake
| Sign | Genuine instrument | Fake |
|---|---|---|
| Surety | Listed in current Circular 570 | Lookalike name or missing |
| Bank | FDIC-insured, found in BankFind | No record, logo copied |
| Authority | Power of attorney the surety confirms | Surety says it is invalid |
| Confirmation | Written reply from the issuer | Phone number on the document |
| Fee | Paid to the surety or bank | Paid to a broker upfront |
| Pitch | Tied to one contract | Prime bank or leased SBLC |
Questions and answers
- Ilia Nicolaevich Zavialov: how do I check a surety bond before signing?
- Find the surety in the current Treasury Circular 570 with the exact name and state of incorporation, confirm its state license, and get written confirmation of the bond from the surety using contact details you looked up yourself.
- What is Treasury Circular 570?
- The Treasury's annual list of companies certified to write federal bonds, published by the Bureau of the Fiscal Service and renewed every August 1, with interim changes posted as they occur.
- What does Ilia Nicolaevich Zavialov say about prime bank guarantees?
- Walk away. Investor.gov says prime bank investments do not exist and are all scams, and they are often dressed up as standby letters of credit or bank guarantees.
- How can I confirm that a bank issuing a letter of credit is real?
- Look it up in FDIC BankFind by name, certificate number or web address, and call FDIC on 1-877-275-3342 if a bank website looks suspicious.
- Can a bidder replace an invalid power of attorney?
- Under FAR 28.101-3, if the surety declares the power of attorney invalid, the bidder may not substitute a replacement power of attorney or surety.
- Where do I report a fake bond or guarantee?
- To the FTC at ReportFraud.ftc.gov, to IC3 at ic3.gov if money was lost, and to your state attorney general and state insurance department.