(3)The Examining Authority, if considers that -(a)the international application relates to a subject matter on which the Examining Authority is not required to carry out an international preliminary examination, and, decides not to carry out such examination; or(b)that the description, the claims, or the drawings, are so unclear, or the claims are so inadequately supported by the description, that no meaningful opinion can be formed on the questions of novelty, inventive step (non-obviousness), or industrial applicability, the Examining Authority shall not go into these questions and shall inform the applicant of this opinion and the reasons therefor.