You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Royal_Institute_of_British_Architects

Context:
In addition to the Architects Registration Board, the RIBA provides accreditation to architecture schools in the UK under a course validation procedure. It also provides validation to international courses without input from the ARB.

Question:
What process does RIBA use in its accreditation system?

course validation