Complex sentence: Some members of the RIAI claim that the examinations are seen by most registered architects as very appropriate to the profession, that they are based on internationally recognised basic standards and discriminate only between those who know the necessary subject matter and those who do not.
Split into simpler sentences: Some members of the RIAI claim that the examinations are seen by most registered architects as very appropriate to the profession. The RIAI claims that the examinations are based on internationally recognised basic standards and discriminate only between those who know the necessary subject matter and those who do not.