Class TaxIdentificationNumber

Germany Tax Identification Number (Steuerliche Identifikationsnummer) format https://en.wikipedia.org/wiki/National_identification_number#Germany https://www.bzst.de/DE/Privatpersonen/SteuerlicheIdentifikationsnummer/steuerlicheidentifikationsnummer_node.html https://download.elster.de/download/schnittstellen/Pruefung_der_Steuer_und_Steueridentifikatsnummer.pdf

Implements

IdNumberClass

Index

Constructors

Properties

Accessors

Methods

checksum validate checkConsecutivePosition checkMultipleOccurrence checksum getCheckdigit normalize validate

Constructors

constructor

new TaxIdentificationNumber(): DEU.TaxIdentificationNumber

Returns DEU.TaxIdentificationNumber

Properties

`Static` `Readonly`METADATA

METADATA: IdMetadata = ...

Accessors

METADATA

get METADATA(): IdMetadata
Metadata for this ID type

Returns IdMetadata
Implementation of IdNumberClass.METADATA
- Defined in countries/deu/taxId.ts:35

Methods

checksum

checksum(idNumber: string): boolean
Calculate checksum (if applicable)
Parameters
- idNumber: string
Returns boolean
Implementation of IdNumberClass.checksum
- Defined in countries/deu/taxId.ts:71

validate

validate(idNumber: string): boolean
Validate an ID number
Parameters
- idNumber: string
Returns boolean
Implementation of IdNumberClass.validate
- Defined in countries/deu/taxId.ts:55

`Static`checkConsecutivePosition

checkConsecutivePosition(idNumber: string): boolean
Check that, within the first 10 digits, no digit fills three directly consecutive positions. The check digit (the 11th) is excluded, so a check digit that completes a run of three is allowed (ELSTER, "Prüfung der Steuer- und Steueridentifikationsnummer", section 2.2).
Parameters
- idNumber: string
Returns boolean
- Defined in countries/deu/taxId.ts:114

`Static`checkMultipleOccurrence

checkMultipleOccurrence(idNumber: string): boolean
Check if only one digit has multiple occurrences
Parameters
- idNumber: string
Returns boolean
- Defined in countries/deu/taxId.ts:92

`Static`checksum

checksum(idNumber: string): boolean
Calculate checksum for German Tax ID using the official algorithm
Parameters
- idNumber: string
Returns boolean
- Defined in countries/deu/taxId.ts:62

`Static`getCheckdigit

getCheckdigit(numbers: number[]): CheckDigit
Get check digit using MN modulus
Parameters
- numbers: number[]
Returns CheckDigit
- Defined in countries/deu/taxId.ts:85

`Static`normalize

normalize(idNumber: string): string
Normalize by removing spaces
Parameters
- idNumber: string
Returns string
- Defined in countries/deu/taxId.ts:78

`Static`validate

validate(idNumber: string): boolean
Validate German Tax Identification Number
Parameters
- idNumber: string
Returns boolean
- Defined in countries/deu/taxId.ts:42