Fraudsters are trying to trick people into handing over confidential information by sending out fake faxes, says the Inland Revenue Department.
The department today issued a public warning to be alert to the faxes and said the Inland Revenue logo and brand were being used to steal information.
Businesses were being asked to complete and return a property disclosure form to someone called 'Marcauley Saunders', who claimed to work at Inland Revenue, said spokeswoman Eleanor Young.
"We want to make our customers aware that this is a scam, this person does not work for Inland Revenue," Young said.
"Any information that is given to these fraudsters can result in a business or individuals suffering identity and data theft and possible financial loss."