(Telecompaper) Norway's banks have signed a declaration of intent to merge the payment systems Vipps, BankAxept and BankID Norge, according to a report by news agency ANB-NTB (Avisenes Nyhetsbyra-Norsk Telegrambyra). The aim is to have the merged entity up and running by 01 August, and there are plans to compete on the international market, too. The deal will require competition authority approval.