A supplier red flag is useful only if it leads to a clear action. “This feels suspicious” is less actionable than “the payment recipient changed, so payment is paused until the change is independently verified.” The aim is to protect the transaction while distinguishing an unresolved discrepancy from evidence of wrongdoing.
This guide focuses on material inconsistencies in identity, product information, stock, documents and payment instructions. It does not assign a fraud score or claim that a particular combination proves criminal conduct. A buyer can decline an inadequately documented purchase without making accusations about the company.
Pause unexpected payment changes
An invoice may identify one entity while a later message requests payment to a different recipient. There may be an explained arrangement, but it should not be accepted solely because the message carries a familiar name or appears in an existing conversation. Stop the affected payment step and resolve the identity and authority of the instruction.
The FBI’s business email compromise guidance recommends verifying changes in payment procedures or account details and using independently obtained contact information. Apply that principle even when the supplier relationship is established. A reply to the same questionable message does not create an independent verification channel, and a familiar display name does not authenticate an instruction.
Treat pressure to bypass checks as a separate problem
A real stock deadline can be inconvenient without being fraudulent. The relevant distinction is whether the seller explains the commercial deadline and allows an informed decision, or insists that normal identity and payment checks must be skipped. Ask what expires, when it expires and whether the goods or only the quoted price are affected.
If the required evidence cannot be obtained before the deadline, allow the opportunity to expire. A purchasing process needs the option to decline. Do not let time already spent negotiating become a reason to accept a material uncertainty. Record that the purchase could not be adequately verified in time rather than claiming that urgency alone proves a scam.
Investigate low prices through equivalent specifications
An unusually low figure may reflect a different quantity, regional variant, condition, package or service scope. It may also represent a genuine surplus position. Compare like with like before labeling the discount unexplained. Request the exact product identifiers and the condition standard used for the offered goods.
Then examine the evidence behind the explanation. A statement that stock is “clearance” does not establish ownership, quantity or saleability. Ask for the relevant lot description and commitments. The closeout market guide explains how variable inventory affects evaluation, while comparing wholesale quotes helps identify differences hidden by the headline price.
Resolve contradictions in stock and lead-time claims
A supplier might initially say that goods are in its warehouse and later explain that they must be purchased from another source. That change may affect whether the promised arrival date is credible. Ask for an updated stock position, dispatch milestone and explanation of the dependency rather than continuing under the original assumption.
Not owning inventory is not automatically improper: brokers and sourcing businesses can perform useful roles. The issue is whether the role and commitment are accurately described. Consult the supplier-role comparison and require the answer relevant to your actual order. Even physically present stock can be delayed, so “in hand” is evidence about inventory rather than a guarantee of delivery.
Check entity and location mismatches without shortcuts
Formation, mailing, office and fulfillment addresses can legitimately differ. Ask the supplier to connect them to the legal seller and explain the function of each. An unsuccessful search under a trading name may mean you need the underlying entity name or a different jurisdiction, not that the business does not exist.
The concern becomes material when the seller cannot provide a coherent identity for the transaction or contradicts independently obtained records without explanation. Use the verification sequence to check the relevant sources. Remember that a genuine entity can be impersonated; finding its registration does not establish that the person contacting you is authorized to act for it.
Request documents that should exist at the current stage
Before payment, the product, quantity, price and seller should be sufficiently clear in the applicable order documents. A generic document that omits critical identifiers needs correction. Repeatedly changing the seller or product description without explanation is a reason to pause approval until the records agree.
Do not demand a final shipping document for a shipment that has not yet been created, then treat its absence as proof of fraud. Instead, agree which dispatch and receiving documents will be provided and when. A polished proforma invoice is not proof of inventory, either. Evaluate consistency and the underlying evidence, not document appearance alone.
Distinguish evidence gaps from cosmetic concerns
A dated website, small team or lack of public pricing does not determine whether a company can fulfill an order. Neither does a modern design, large catalogue or friendly sales response prove reliability. These details can guide questions but should not replace transaction-level checks.
Likewise, account paperwork may be appropriate, but a request for documents is not proof that the recipient is legitimate. Verify the channel and share only what is relevant. Review wholesale account requirements to understand the purpose of common requests. A supplier that handles a different buyer type or tax situation may have a different application process.
Use a hypothetical hold-and-release example
Imagine an order for 40 replacement pumps. The buyer has a dated quotation naming the seller, model and delivery terms. The day before payment, a new message requests a different beneficiary and says the allocation will disappear within an hour. The buyer should pause payment, preserve the message and verify the instruction through an established independent contact route.
Suppose the verified seller confirms that the message was not issued by its staff. The buyer should not send funds under that instruction and should alert the appropriate internal payment and security contacts. If instead the seller provides a legitimate explanation through the verified route, the buyer still needs to reconcile the documents and obtain the required internal approval before resuming. The explanation does not automatically waive the approval process.
This scenario illustrates a procedural decision, not a way to diagnose every suspicious message. The key is that the evidence determines whether the hold can be released; the urgency does not. Record who confirmed what and retain the corrected instruction with the order.
Preserve evidence and define the next action
For each material discrepancy, write a short record: the claim, conflicting evidence, affected action, person responsible for follow-up and requirement for resolution. That prevents one employee’s unresolved concern from disappearing when another employee takes over the order.
Keep the original messages and relevant documents within your normal secure records process. Avoid forwarding sensitive payment details broadly or publishing unverified allegations. If legal rights, significant losses or a disputed agreement are involved, obtain qualified advice. The purpose of the purchasing record is to support a careful decision and any appropriate escalation, not to make a public finding of fraud.
Act promptly if money may already have been diverted
If a payment may have gone to a fraudulent destination, do not wait for the supplier investigation to finish before contacting your financial institution. The FBI guidance advises immediate contact with the financial institution and reporting suspected business email compromise to IC3. Ask the institution about the available response for the specific transaction. Recovery is not guaranteed.
Keep relevant transaction and communication records available for the institution and appropriate authorities, using their official reporting channels. Do not send additional money in response to an unverified promise that a payment is needed to recover the first transfer.
Resume only when the purchasing question is answered
A hold can end when the material discrepancy has been resolved through adequate evidence and the purchase still meets your requirements. It can also end with a decision not to proceed. Both are valid outcomes; there is no obligation to complete a deal merely because the supplier has invested time in quoting.
For future orders, carry forward what the incident taught you about contact verification, document consistency and receiving checks. Use the sourcing workflow to maintain alternatives when appropriate. The goal is not to find suppliers with no imperfections, but to avoid committing while critical questions remain unanswered.
Frequently asked questions
The price is low but other checks look satisfactory. Should I proceed?
Confirm the exact specification, condition, quantity and included services, then examine evidence for the stock and price explanation. A plausible story alone does not resolve the risk; decide against the complete documented offer.
What should I do if banking details change mid-order?
Pause payment and verify the change through an independently established contact route, not only through the message requesting the change. Record the confirmation and follow your payment-approval process.
Is prepayment itself proof of a problem?
No. Assess the actual terms and exposure. Pressure to bypass unresolved identity or payment checks is the concern, not the existence of a prepayment requirement alone.
Sources
- Business Email Compromise — Federal Bureau of Investigation Accessed September 6, 2026.
