Two people were arrested after officers from Cleveland Police’s Specialist Operation Unit stopped a vehicle on the A19 in Stockton.
Officers believed the vehicle was linked to a number of incidents that are being investigated by the Economic Crime Unit under an operation which tackles bogus tradesmen and offences of fraud.
After it was stopped, the vehicle was searched and a card reader was located.
Officers, in partnership with colleagues in the Economic Crime Unit, arrested two men, aged 59 and 21, on suspicion of fraud by false representation and possessing criminal property.
They have both been bailed pending further enquiries.
Chief Inspector Darren Bainbridge said: "Officers remain committed to investigating incidents of fraud which often target the most vulnerable in our communities. We will continue to pursue suspects in partnership with other specialist departments in order to safeguard our communities."