TW_BRN (TW - Taiwan Business Reg. Num.)

Property	Value
A technical identifier, unique in a certain context. Technical key	TW_BRN
The country a linked concept is active or generally relevant for. Country scope	TW (Taiwan)
Language-specific name. Monolingual name	Business Administration Number (en), 統一編號 (zh)
Language-specific short name. Monolingual short name	TW - Taiwan Business Reg. Num. (en)
Informal and comprehensive human-readable definition of a concept. Description	The Business Administration Number (BAN), also known as the Uniform Business Number (UBN), is an 8-digit number used to uniquely identify registered businesses in Taiwan for tax and administrative purposes. It serves as the equivalent of a VAT number in Taiwan, as the country does not issue a separate VAT identifier. The BAN is required for business registration, tax filings, and issuing Government Uniform Invoices (GUIs), which are part of Taiwan's VAT system. The format of the BAN is: 8 digits, where the first seven digits are the main identifier, and the eighth digit is a check digit for validation. Businesses use the BAN for VAT-related activities, including taxable sales reporting and issuing VAT-compliant invoices, making it the core identifier in Taiwan's VAT framework. While Taiwan's system doesn't explicitly call it a VAT number, the BAN fulfills this function in practice.
Category of business identifiers. Identifier category	VAT Number

Formal definition

Details	Informal and comprehensive human-readable definition of a concept. Description	The type in terms of a categorization of regular expressions. Regular expression type	TThe formal expression of a regular expression. Regular expression
0000000000AXJEYW6YVGQ2SR37	Specifies the allowed formats for the Business Administration Number (Taiwan)	IDENTIFIER_FORMAT	^\d{8}$

Data quality rules

Rule	Informal and comprehensive human-readable definition of a concept. Description	nonetheless, we continue to offer the most recent available data., The release status in terms of development progress or maturity.<br/><code>EMPTY</code> (0): No feature considered yet, just a rough idea.<br/><code>IDEA</code> (1): Just an idea, not yet designed in detail.<br/><code>DESIGN</code> (2): Software design ready, development not yet started.<br/><code>DEVELOPMENT</code> (3): Software development in progress.<br/><code>ALPHA</code> (4): First functional release, in terms of a Minimal Viable Product (MVP).<br/><code>BETA</code> (5): Tested by selected users.<br/><code>RC</code> (6): Release candidate, fully tested, not yet used in production by many customers.<br/><code>LIVE</code> (7): Used in production by customers, fully monitored and supported.<br/><code>DEPRECATED</code> (-1): End of life planned, but still available.<br/><code>EOL</code> (-2): End of life, historic service, no longer available.<br/><code>BROKEN</code> (-3): Service was used in production but is currently not available. However, CDQ tries to repair or reactivate it.<br/><code>DISCONTINUED</code> (-4): The data source has ceased providing updates Release status	Criticality<br/>Specifies how critical of the violation of a data quality rule.<br/>ERROR: Indicates a critical data quality rule violation that requires correction.<br/>WARNING: Indicates a potential data quality issue that should be reviewed.<br/>INFO: Indicates an informational finding with no immediate impact on data quality. Criticality
Identifier format invalid (Business Administration Number (Taiwan))	The rule checks that the input consists of exactly 8 digits, which is the required format for Taiwan's business administration number. It is essential to ensure that businesses use a valid BAN when filing taxes, or engaging in VAT-related activities. The rule ensures that the BAN meets the following criteria: Length: The BAN must be exactly 8 characters long. Character type: Each character must be a digit (0-9). No special characters: The BAN must not contain any letters, symbols, or spaces. Validation logic: The eighth digit serves as a check digit used for validation, though this rule does not handle this check.	RELEASED	ERROR