Mr Baker says 316 cases of identity (ID) fraud detected by Immigration New Zealand between July 2005 and January 2008 may be the "tip of an iceberg".
The volume of ID fraud detected by biometric checks in Britain and the United States was far higher and had given Immigration "a serious level of concern".
Legislation that would allow Immigration to collect biometric data such as fingerprints and face scans passed its second reading in Parliament three weeks ago.
"The journey to New Zealand continues and as passengers travel, check in and board, we are proposing to deploy mobile or wireless identity-verification capabilities at key control points on the journey. Finally, identity verification and biometric enrolment for first-time travellers is envisaged at the New Zealand border on arrival."
inational, same-sex couples face immigration problems
By Mike Swift
Shirley Tan's calm and happy life ― San Mateo County housewife, mother of twin 12-year-old boys, singing in the church choir ― blew up at 6:30 a.m. on Jan. 28, with a knock on the front door.
Within minutes, the immigration agent standing there had the 43-year-old Tan in handcuffs. She is scheduled to be deported to her native Philippines on Friday.
If Jay Mercado, Tan's partner of 23 years and the mother of her sons, were a different gender, it's highly unlikely that knock ever would have come