Section 72. For section 143 of the principal Act, the following section shall be substituted, namely:

72. For section 143 of the principal Act, the following section shall be substituted, namely:— "143. Subject to the provisions of Chapter VII, an application for a patent, and any specification filed in pursuance thereof, shall not, except with the consent of the applicant, be published by the Controller before the expiration of the period prescribed under sub-section (1) of section 11A or before the same is open to public inspection in pursuance of sub-section (3) of section 11A or section 43." Restrictions upon publication of specification. 626 [ACT 15 Substitution of new section for section 145. Publication of official journal. Amendment of section 151. Omission of section 152. Amendment of section 159.