PL_TAX_ID (PL - Polish Tax Identifier)

Property	Value
A technical identifier, unique in a certain context. Technical key	PL_TAX_ID
The country a linked concept is active or generally relevant for. Country scope	PL (Poland)
Language-specific name. Monolingual name	PESEL (pl), Polish Tax Identifier (en)
Language-specific short name. Monolingual short name	PL - Polish Tax Identifier (en)
Informal and comprehensive human-readable definition of a concept. Description	PESEL is mandatory for all permanent residents of Poland. It is used for paying taxes in the case of natural persons not conducting economic activity. PESEL consits of 11 digits, where first 6 digits - date of birth in format YYMMDD. PESEL register operates since 1979 and contains details of persons residing permanently in the territory of the Republic of Poland, domiciled for permanent or temporary (more than 3 months)residence and persons applying for an identity card or passport, as well as people who under the provisions of Polish law need to have a social security number. PESEL numbers are issued by the Ministry of Internal Affairs.
Category of business identifiers. Identifier category	Tax 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
00000000005S2EEZXDFY0ZQE1A	Specifies the allowed formats for the Polish Tax Identifier	IDENTIFIER_FORMAT	^\s*?\.*?-*?\d{2}\s*?\.*?-*?(0[1-9]|1[0-2])\s*?\.*?-*?(0[1-9]|[12][0-9]|3[0-1])\s*?\.*?-*?(\d\s*\.*-*){5}$

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 inaccurate (Polish Tax Identifier)	Polish Tax Identifier consists of 11 digits. This rule checks possible whitespaces, hyphens where they are not specified in a reference Polish Tax Identifier	IDEA	INFO
Identifier format invalid (Polish Tax Identifier)	PESEL is mandatory for all permanent residents of Poland. It is used for paying taxes in the case of natural persons not conducting economic activity. PESEL consits of 11 digits, where first 6 digits - date of birth in format YYMMDD. This rule checks presence of exactly 11 digits corresponding to the format of the Polish Tax Identifier without considering possible whitespaces, hyphens or dots that might be comprised in the identifier value. If there are less/more digits, unexpected non-digits characters then the rule is violated.	RELEASED	ERROR
Invalid checksum of Polish Tax Identifier	This rule describes the algorithm for checksum digit (the last 11th digit) for Polish Tax Identifier using the following logic: 1) 9×a + 7×b + 3×c + 1×d + 9×e + 7×f + 3×g + 1×h + 9×i + 7×j, 2) apply modulo 10 to the sum from step 1, 3) the rest of the modulo 10 is a check-sum digit.	RELEASED	ERROR