‹ Business Standards OB-A Introduction › OB Open Banking Module OB-A Introduction OB-A.1 Purpose OB-A.2 Module History OB-B Scope of Application OB-B.1 Introduction OB-1 Risks, Systems and Controls OB-1.1 Risks, Systems and Controls OB-2 Operating Rules OB-2.1 Framework Contracts OB-2.2 Standards for Authentication and Communication OB-2.3 Payment Transactions OB-2.4 Technology Related Requirements ‹ Business Standards OB-A Introduction ›