Chairman of the Central Bank of Armenia (CB) Tigran Sargsian and head of the Yerevan Office of the US Agency for the International Development Keith Simmons signed today an agreement on technical assistance in the sphere of bank control. As Tigran Sargsian stated after concluding the document, the progress of the RA CB is considerably conditioned by the assistance rendered by the USAID. Keith Simmons pointed out the progress achieved due to this interaction, in part, the development of bank control and application of CBANet and ArCa payment systems.