My export rebate got flagged for "four flows mismatch" — how do I fix it?

What the "four flows" are

The test isn't perfect paper alignment — it's whether the four flows together describe one real transaction. Tax bureaus apply the concept through Golden Tax System Phase IV (金税四期) big-data checks, which cross-reference customs, banking, logistics, and invoice data automatically.

Common mismatch scenarios

• Funds collected through a Hong Kong affiliate or third-party account while the customs declaration names a US or EU buyer — the classic "funds flow mismatch" for cross-border e-commerce sellers.
• Private bank accounts used to receive or pay export-related money. Bank-tax data sharing makes these visible, and private-account flows are treated as abnormal even when the trade is real.
• Bill of lading shipper differs from the customs declarant — for example a freight forwarder or another trading company appears as shipper with no agency agreement behind it. This reads as "buying export paperwork" (买单出口).
• Missing contracts or logistics proof: only the contract and declaration exist, with no inland transport invoices, warehouse receipts, or delivery records bridging factory to port.
• Related-party pricing or settlement that looks commercially unreasonable without documentation.

The remediation process

1. Read the notice carefully to find which flow the bureau questions. Don't guess — ask the case officer what evidence they need.
2. Supplement the documents (补单证): contracts, customs declarations, bills of lading, inland transport invoices, warehouse records, bank receipts and forex settlement slips, correspondence with the buyer.
3. Write a factual explanation (情况说明): describe the actual business flow in chronological order — who bought, how goods moved, how money was paid and why. Attach supporting proof for anything unusual, such as a tripartite payment authorization (委托付款协议) if a third party paid on the buyer's behalf, or group-company documents if an affiliate collected funds.
4. Cooperate with any on-site inspection. First-time filers and flagged companies should expect the bureau to check the full document file.
5. Wait for the review conclusion. If the business is genuine and the paper trail now holds together, the rebate is released. If the bureau finds the transaction fictitious, the claim is denied and the case escalates to anti-fraud handling.

A mismatch alone doesn't equal fake invoicing — tax guidance emphasizes that substance governs over form, and genuine commercial reasons (industry practice, regulatory requirements, group treasury arrangements) can be accepted if you can prove them. But "prove" is the operative word: undocumented explanations don't count.

Prevention checklist

• Keep a standing file per shipment: contract, declaration, invoice, transport documents, payment proof.
• Settle export receipts through the company's own bank account, in the buyer's name wherever possible.
• Put agency and entrusted-payment arrangements in signed agreements before the money moves.
• Make sure the shipper on transport documents is you or your contracted agent.