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Data matching

Annual Report

Purpose
: To enable MSD detect:

  • people incorrectly receiving accommodation assistance while living at subsidised HNZ properties
  • differences in information concerning personal relationships, dependent children and tenant income
  • forwarding address details for MSD debtors who have left HNZ properties.


HNZ disclosure to MSD: HNZ selects records relating to new tenancies, annual rent reviews, change in circumstance rent reviews and tenancy vacations.

Each record includes the tenant's full name (including aliases), date of birth, MSD client number (if held), income (including income from any boarders), relationship details (to other tenants) and details of any dependants. Also included are details about the property location, tenancy start and end dates, weekly rental charges and any forwarding address provided on termination of the tenancy are also included.

Compliance: Compliant.

This programme ceased operating in August 2014 as responsibility for administering income-related rents has transferred from Housing NZ to MSD.

Technical information

Information matching provision Housing Restructuring and Tenancy Matters Act 1992, s.68
Year authorised 2006
Year commenced 2006
Programme type Confirming eligibility
Detecting illegal behaviour
Locating people
Updating data
Unique identifiers MSD client number
Online transfers Yes

System description
Each week, Housing New Zealand (HNZ) sends MSD, by secure online transfer, details of all newly updated records from its tenancy database (known as Rentel). HNZ select records based on the following criteria:

  • all new HNZ tenancies
  • annual rent review records
  • change in circumstance rent review records
  • tenant vacations.
    •

Each record includes the tenant's full name (including aliases), date of birth, income (including boarder income) details, relationship details (to other tenants), and details of any dependants. Also included are details about the property location, tenancy start/end dates, weekly rental charges, and any forwarding address details provided upon termination of the tenancy.

MSD compares the HNZ information with current beneficiary and student client data to identify individuals receiving assistance from both agencies. The MSD matching process produces positive matches that are weighted to indicate the probability that an MSD client is the person in the HNZ data. All positive matches are transferred from MSD's data warehouse into AIMOS, its data matching application. The match results are manually checked before a s.103 notice of adverse action is sent.

Recent activity

  2010/11 2011/12  2012/13  2013/14  2014/15
New match runs started in the reporting period          
Match runs 52 52 50 52 7
Records compared 88,471 86,157 97,317 136,119 12,663
Number of client cases 6,492 6,024 16,562 6,701 381
All match runs active in the reporting period          
Legitimate cases 6,381 6,095 16,263 6,260 361
Notices of adverse action 79 53 304 444 20
Overpayments established (number) 48 28 11 55 0
Overpayments established $76,355 $49,474 $6,095 $63,416 0
Successful challenges 0 0 5 0 0