69. Certain provisions of this Act not applicable to certification trade marksThe following provisions of this Act shall not apply to certification trade marks, that is to say,—(a)clauses (a) and (c) of sub-section (1) of section 9;(b)Sections 18, 20 and 21, except as expressly applied by this Chapter;(c)Sections 28, 29, 30, 41, 42, 47, 48, 49, 50, 52, 54 and sub-section (2) of section 56;(d)Chapter XII, except section 107. Previous section 68. Additional grounds for removal of registration of collective mark Next section 70. Registration of certification trade marks