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Person—government funding identifier, Centrelink customer reference number N(9)A

Identifying and definitional attributes

Metadata item type:Help on this termData Element
Short name:Help on this termCentrelink customer reference number
Synonymous names:Help on this termCRN; Centrelink reference number
METEOR identifier:Help on this term690579
Registration status:Help on this term
  • Homelessness, Standard 10/08/2018
Definition:Help on this term

A personal identifier allocated by a government department for the purpose of identifying those eligible for specific services, as represented by a identifier.

Data Element Concept:Person—government funding identifier

Value domain attributes

Representational attributes

Representation class:Help on this termIdentifier
Data type:Help on this termString
Format:Help on this termN(9)A
Maximum character length:Help on this term10

Data element attributes

Collection and usage attributes

Guide for use:Help on this term

The Centrelink Reference Number (CRN) is a unique identifier assigned to people and certain organisations that have one or more recognised relationships with Centrelink. In most cases, these entities receive services provided by Centrelink. It is used by Centrelink as the primary key for a customer's record.

The CRN consists of nine digits and one alphabetic character, generated and validation by an internal Centrelink Algorithm.

Source and reference attributes

Origin:Help on this term

AS5017 Health Care Client Identification

Relational attributes

Related metadata references:Help on this term
Supersedes Person—government funding identifier, Centrelink customer reference number N(9)A
  • Community Services (retired), Standard 12/08/2008
  • Homelessness, Superseded 10/08/2018
  • Housing assistance, Standard 23/08/2010
Implementation in Data Set Specifications:Help on this term
All attributes +

Specialist Homelessness Services NMDS 2019-Homelessness, Standard 10/08/2018

DSS specific attributes +

Conditional obligation:

 In the Specialist Homelessness Services NMDS, this data element is conditional on the consent of the client.

DSS specific information:

The states and territories have agreed to include Centrelink customer reference numbers in the NMDS, however this information is not currently recorded as issues of confidentiality are yet to be resolved.


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