Read this: 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.

What is a key similarity between the ARB and Royal Institute?
What is the answer? (If it cannot be answered, return "unanswerable")
unanswerable