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China MIIT Data Classification
& Important Data Catalog Tool

Interactive China legal orientation tool. Review the result with the relevant legal guide and qualified counsel where facts or local implementation matter.

Free calculatorPRC lawAssumption-led estimate

01Enter facts
02Get estimate
03Check assumptions
04Verify or escalate

Compliance screen

Business belongs to MIIT-regulated industrial/telecom/radio field and current sector catalog/guidance is identified?

Data inventory maps source, purpose, sensitivity, scale and impact if altered/leaked/destroyed?

Important/core data identification follows current sector catalog rather than self-labeling alone?

Required important/core data catalog reporting/recordal to industry regulator is completed?

Tiered access, backup, audit, incident, outbound and supply-chain security controls are implemented?

Legal basis

Scope

Important/core data status should be based on sector catalog/regulator identification and impact analysis, not merely enterprise preference.

Legal authorityReview the legal-basis section and cited source before relying on the output.

Tool typeCalculator

ScopeNational framework first

Local checkLocal rules and authority practice may differ

Use the output safely

Verify before relying on the result.

InputsConfirm dates, amounts, classifications and assumptions.
AuthorityCheck the cited rule, effective date and territorial scope.
EscalationSeek review for disputed facts, material exposure or imminent deadlines.

When the file needs review

Move from the tool to a verified legal route.

Use the output to organize the facts, then confirm the source, evidence, local implementation and available remedy before acting.

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