context: RIBA Visiting Boards continue to assess courses for exemption from the RIBA's examinations in architecture. Under arrangements made in 2011 the validation criteria are jointly held by the RIBA and the Architects Registration Board, but unlike the ARB, the RIBA also validates courses outside the UK.
question: ఉమ్మడి ప్రమాణాలపై రాయల్ ఇన్స్టిట్యూట్, ఏఆర్బీ ఎప్పుడు ఒప్పందం కుదుర్చుకున్నాయి?
answers: 2011