Direct answer

No general rule requires ordinary commercial contracts to be in Chinese.

English-only or bilingual contracts can be effective if the agreement itself is valid. In practice, Chinese text or a certified translation is often needed for court filings, notarisation, bank, tax, customs or licensing files. If two language versions exist, the prevailing-language clause and the quality of the Chinese text usually decide interpretation—not the foreign party’s working language.

The classification screen

4 questions before you choose the route.

This page identifies the right question and evidence. It does not determine the legal outcome on a reader’s facts.

01

What is the contract type?

Consumer, employment, real-estate, finance or licensed filings often expect Chinese even if commercial sales do not.

Type
02

Who must read the file?

Courts, arbitration secretariats, banks and agencies may refuse an English-only pack.

Forum
03

Is there a bilingual set?

If yes, identify which version controls and whether the Chinese is a true counterpart.

Versions
04

Will you need to prove terms?

Translation disputes become evidence disputes. Plan the controlling text before signing.

Evidence

Working rule: Map the regulated role before marketing or launch in China.

What changes the answer

The signal ledger.

These facts move the question beyond a label and into a product, money-flow and control analysis.

Signal
Ask the operating question
Why it changes the route
Filing audience
Will a court, notary, bank, tax bureau or licensing authority need to accept the document?
Those channels commonly require Chinese text or a translation, even if the deal is valid in English.
Two-language set
Do the English and Chinese versions actually match on price, scope, liability and dispute clauses?
Mismatch is a frequent source of China contract disputes.
Prevailing-language clause
Which text is stated to control, and is that clause itself consistent in both versions?
A clause that only appears in English is a weak control if the Chinese file is what the forum reads.
Prepare before you escalate

Bring a compact evidence docket—not a pitch deck.

Give a compliance team or counsel the operating facts that reveal the perimeter.

01Language versionsEvery signed English and Chinese counterpart, with version dates.
02Translation trailWho translated, who reviewed, and any redlines between versions.
03Prevailing clauseThe clause in both languages, not only the English draft.
04Forum rulesCourt, CIETAC/SHIAC or bank checklist that asks for Chinese.
Common confusions

Questions people ask before they build.

Short answers for orientation. The right result can change with the service model and current rules.

Can we sign English-only and translate later?

Often yes for private commercial deals, but you then litigate through a translation. Better to freeze a reviewed Chinese counterpart at signing if China performance or China proceedings are likely.

Does Chinese law require a Chinese prevailing version?

Not as a general commercial rule. Parties may choose. Mandatory filings and consumer/employment contexts are different.

Primary authorities

Reviewed sources support orientation, not a fact-specific assessment.

PRC Civil Code (gov.cn)
National laws database (NPC)
Supreme People’s Court