Transmission failure when attempting to transmit supporting documents via T2 T1134 and T106 FRRMS Submit e-Documents.
known issue T2 T1134 T106The CRA EFILE system is having issues with transmissions of amended T1134, T1135 and T106 returns. You may receive error code 485.
CRA EFILE T1134 T1135 T106 FRRMS foreign reporting