Notes:
UNIQUE TAX REFERENCE NUMBER is the same as attribute UNIQUE TAX REFERENCE NUMBER.

A reference number issued by the HM Revenue and Customs (HMRC) that uniquely identifies a particular taxpayer.

References:
The e-GIF version approved for use in NHS England is:
Government Data Standards Catalogue: (GDSC), Version 2.0, Agreed 1 January 2002.
GDSC: http://www.cabinetoffice.gov.uk/govtalk/schemasstandards/e-gif/datastandards.aspx.

This data element is also known by these names:

Context	Alias
plural	UNIQUE TAX REFERENCE NUMBERS