The absence of a signed master agreement does not automatically defeat a claim. Electronic records and accepted performance may be relevant, but formation, the precise terms, authority and the agreed forum must each be examined.
No signature does not end the enquiry
A foreign buyer has a quotation, a purchase order, bank records and a long exchange of emails or WeChat messages, but no contract signed by both parties. The supplier now says there was no binding order. The buyer should not assume either that it has no claim or that the payment proves every disputed term.
Separate three questions: whether an agreement was formed, what its terms were, and whether the available evidence reliably proves those matters against the correct defendant. A strong answer to one does not automatically answer the others.
This guide addresses mainland-China contract and evidence issues. International sales may involve the CISG or another applicable law, and an arbitration or forum agreement needs separate analysis. It is not a statement that every informal exchange is enforceable.
Reconstruct how the deal was made
Under Civil Code Article 469, qualifying electronic communications can constitute written form. Article 490 addresses formation through accepted performance even where a contemplated contract document has not been signed; Article 491 also matters where the parties required a confirmation instrument. These provisions require attention to what was agreed and done, not just the absence of ink signatures. [1]
Prepare a chronology that starts before the payment. Identify the final quotation, purchase order, acceptance, deposit request, transfer, acknowledgment, production steps and any subsequent variation. Mark drafts as drafts. A message saying management approval is still required deserves different treatment from an unequivocal order confirmation.
Look for express conditions: did the parties say they would not be bound until a formal contract was signed, a sample passed, or a particular approval was obtained? Do not omit inconvenient messages. They can determine the formation issue and should be addressed at the outset.
Prove the important terms one by one
A transaction can be sufficiently documented to support a claim while remaining uncertain on a particular technical standard, remedy or forum. Use a terms matrix rather than treating the whole email folder as one undifferentiated contract.
| Term | Useful evidence | Common gap to investigate |
|---|---|---|
| Parties | Registration details, invoice, accepted order and company acknowledgments | English trading name differs from the registered entity |
| Goods and specification | Model number, drawing revision, sample approval and attachments | Parties refer to different versions |
| Quantity and price | Final quotation, order confirmation and payment calculation | An earlier quotation was superseded |
| Delivery | Agreed schedule, shipping terms and extensions | Estimates are treated as firm commitments |
| Remedies | Warranty terms, refund acknowledgment and accepted conditions | Standard terms were never supplied or accepted |
| Dispute forum | Incorporated terms and communications on the clause | A clause appears only in an unsigned later draft |
Where the agreement is incomplete, the governing law may supply rules or permit interpretation using surrounding circumstances. That is not a reason to invent missing terms. The matrix should distinguish established facts, competing interpretations and issues needing further evidence.
Connect the account to the company
A screenshot of a person promising delivery is not necessarily proof that the intended company was bound. Preserve the account identifier, email domain, signature block, business card, introduction by company personnel and earlier confirmed dealings. Check whether the company acknowledged payment or performed the order.
Corporate seals, signatures and business records should be read together. No single visual feature should replace an authority analysis. Civil Code rules on agency and acts by personnel may be relevant, but the appropriate conclusion depends on the actual relationship and circumstances. [1]
Where the bank recipient differs, use the different-company payment guide. It is especially important not to confuse proof of payment with proof of the identity of the seller.
Preserve native records and the surrounding context
The Supreme People's Court's evidence rules expressly include emails, instant messages and other electronic data. They also address originals, permissible outputs and factors relevant to authenticity. This supports the use of electronic records, but not an assumption that any cropped screenshot is decisive. [2]
For emails, retain original message files with attachments and headers where available. For messaging applications, preserve the relevant account, device access, account identifiers, full exchange and original attachments. Document how an export or recording was made. Work on copies while retaining an unchanged source set.
Do not retype conversations into a document and discard the originals. Do not combine messages from different dates into an image that appears continuous. A translation and a reading copy are helpful presentation tools, not replacements for the underlying data.
Preserve only material lawfully available to you. There is no need to access someone else's account, bypass credentials or purchase private account records to create a stronger file.
Translate for the dispute, not just for readability
Chinese court submissions of foreign-language documentary material require Chinese translations under the procedural and evidence rules. Coordinate the required form with counsel and the receiving court. A polished English summary is not the same as a translated evidential record. [2][3]
Number exhibits and link each important assertion to a document, page and message date. Keep original-language material alongside the translation. For a technical specification, include the attachment that was actually exchanged, not a current version downloaded from a website.
Do not assume that every overseas commercial email needs the same notarization or authentication procedure as a foreign company's identity or authorization documents. Different categories and applicable treaty arrangements need separate treatment; the foreign-company filing guide addresses that preparation.
An illustrative scenario: performance helps, but the standard is disputed
Illustrative scenario only; not a reported judgment or client case. A buyer emails an order for a stated quantity and model. The supplier sends a deposit invoice, confirms payment and begins production. Before shipment, the buyer demands a technical tolerance that appears in an earlier discussion but not in the final attachment.
The absence of a signed master contract is only one issue. The order and accepted performance may support formation, while the tolerance remains contested. The practical task is to identify which specification was incorporated and whether the later exchange changed it.
This is why the first review should not stop at the question of signature. It should test the complete claim: agreement, content, performance, breach, notices and losses.
Do not assume a platform complaint replaces a legal claim
A marketplace complaint, payment dispute or commercial negotiation can be useful, but it may apply different evidence standards and deadlines. Keep a separate record of any platform decision and the contractual terms governing that process.
Check the legal forum independently. Whether an electronic exchange contains a binding arbitration or court-selection agreement is not answered solely by showing that a sales contract exists. Ask counsel to examine incorporation and consent before filing. The supplier litigation guide explains how the forum fits into the wider recovery plan.
Where messages or accounts may disappear, consider targeted preservation advice early. Where an operating supplier may move assets, evidence preparation should proceed alongside a proportionate asset-preservation assessment, not after it becomes too late to act usefully.
Prepare a compact first-review file
Start with a chronology, the final order and quotation, payment proof, key acknowledgments, the disputed specification, notices and exact counterparty details. Add an index of the larger message archive rather than immediately sending hundreds of unlabelled screenshots.
State the intended outcome and any known deadline. For a non-confidential initial enquiry, explain what is missing: signature, company seal, agreed specification, authority evidence or the original device. That makes it easier to identify the next useful evidence step.
Frequently asked questions
Are WeChat screenshots admissible in a Chinese civil case?
Electronic messages are a recognized evidence category. Their relevance, authenticity, completeness and connection to the parties still require assessment. A screenshot is not automatically accepted as proof of everything it displays. [2]
Do all electronic records have to be notarized?
No blanket rule requires notarization of every email or chat. The evidential risk, available originals, dispute over authenticity and specific procedural requirements determine what additional preservation is useful.
Can I create a backdated contract now to fix the problem?
Do not fabricate or backdate evidence. The parties can truthfully document a current acknowledgment or settlement, but it should accurately state when it was made and what it confirms.
Official legal sources
Legislative references were checked for this article on 19 October 2026. The English discussion is a summary, not an official translation. Apply the relevant law, contract and procedural requirements to the specific transaction.
- PRC Civil Code. Articles 469, 490-491 and the agency provisions: written form, accepted performance, confirmation instruments and authority.
- SPC Provisions on Evidence in Civil Litigation. Articles 14-19 and 93-94: electronic data, originals, translated exhibits and authenticity.
- PRC Civil Procedure Law (2023 amendment). Articles 66-73 and the foreign-related procedure provisions. Current article numbering should be distinguished from references in older instruments.
Fan Yuanyuan
Partner, Guangdong Yushuang Law Firm
PRC Lawyer License No. 14403201810021216
Shenzhen, Guangdong, China
Start with party names and the commercial objective.
Send a non-confidential summary and any known deadline for a conflicts and scope review. Do not send sensitive documents before document-transfer arrangements are confirmed.
General information, not legal advice. Examples are expressly hypothetical and do not describe a client result. Reading this page or sending an enquiry does not create a lawyer-client relationship. Applicable law, forum, deadlines and remedies require a case-specific review.