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Centrelink Customer Reference Numbers (CRN) 102-13000000

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This document outlines information about Centrelink Customer Reference Numbers (CRN), which are used to identify individual records.

Government intent

Centrelink uses reference numbers to uniquely identify customers and, if applicable, their partners and children, as well as the organisations it interacts with.

Reference numbers

CRNs are a ten character identifier containing nine numbers followed by a letter, for example 222333444L.

Contents

Centrelink customer requests a new Customer Reference Number (CRN)

Types of Centrelink records

Centrelink Multiple Match List (MML) screen

Data Quality Unit (DQU) CLI/MLC process for multiples

Intertwined Centrelink records

Centrelink spurious records

Initial remediation on a multiple or intertwined Centrelink Customer Reference Number (CRN)

Centrelink customer has multiple Customer Reference Numbers (CRN)

Multiple Centrelink child Customer Reference Number (CRN) checks and cleansing

Searching for a customer on the system

Adding a customer to the system