prescribed by section 19 and the rules pertaining thereto. (10) If the Registrar is of the opinion that the requirement of unity of invention may not have been complied with, he shall invite the applicant to restrict or divide the application. (11) If the person making the application does not comply with the requirement made under paragraph (b), the application shall be rejected by the Registrar. (12) The details of the requirements and the procedure under this section shall be prescribed by the regulations. 26. International-type search (1) The Registrar may direct that any application found in order as to form be the subject of an international search in accordance with the provisions of the Patent Co-operation Treaty. (2) When a direction under subsection (1) is made, the Registrar shall invite the person making the application to pay the fees as prescribed in the regulations. (3) If the applicant does not comply with the said requirement, the application shall be rejected by the Registrar. (4) Upon receipt of the report on the international search, the Registrar may request the person making the application to furnish him with a copy of such document cited in the said report and if without lawful reason, any copy is not furnished within the prescribed time limit, the application shall be rejected. (5) If it is apparent from the report on the international-type search or from the refusal to establish such a report, that the subject of the application or of any claim is not an invention within the meaning of section 7, the Registrar shall reject the defective application or consider the defective claim to be withdrawn, as the case may be, unless the applicant satisfies him that the subject of the said application or claim constitutes an invention. (6) If it is apparent from the report on the international search or from the refusal to establish such a report that– (a) the description, the claims or, where applicable, the drawings do not comply in whole or in part, with the requirements prescribed by this Act and the regulations to such an extent that no meaningful search could be carried out; (b) the application does not comply, in whole or in part, with the requirement of unity of invention prescribed by section 19 and the rules pertaining thereto; or (c) the invention claimed in the application obviously does not fulfil the requirement of novelty, prescribed by sections 8 and 9, the Registrar shall reject the application unless the applicant either satisfies him that the said requirements have been fulfilled or amends or divides the application so as to comply with the said requirements. (7) The details of the requirements and the procedure under this section shall be prescribed by the regulations. 27. Examination as to substance (1) The Minister may by regulations direct that applications for patents relating to a specified technical field shall be the subject of an examination as to substance. (2) If, in the opinion of the Registrar the subject matter of an invention for which a patent is sought falls within a technical field covered by the terms of a direction made under subsection (1), he shall cause an examination to be carried out as to whether the following conditions are fulfilled– (a) the claimed invention is patentable within the meaning of sections 8, 9, 10 and 11; (b) the claimed invention is not excluded from protection under sections 12 or 13; (c) the description and the claims comply with the requirements prescribed by