Reference Checker

Library to validate the tax references.

Checkers

The following list of checkers are available. Each checker returns true or false depending if the passed reference is valid.

Self Assessment UTR

SelfAssessmentReferenceChecker.isValid("2234567890K)

Corporation Tax UTR

CorporationTaxReferenceChecker.isValid("2234567890")

VAT reference

VatReferenceChecker.isValid("101747696")

ePAYE reference

This reference checker can be also used to validate P11D (Class 1A National Insurance) references.

EpayeReferenceChecker.isValid("123PW12345678")

SDLT reference

SdltReferenceChecker.isValid("123456789MA")

Other Taxes (ePAYE penalties, ePAYE settlement agreements, CIS penalties, and other references that start with 'X')

OtherTaxReferenceChecker.isValid("XA012345678901")