Regulation PART IV—APPLICATION FOR REGISTRATION OF A TRADEMARK. 17. Application for registration of trademark. 18. Representation of mark. 19. Specimens of trademarks in exceptional cases. 20. Separate applications. 21. Series of trademarks. 22. Transliteration and translation of languages. Procedure on receipt of application for registration of trademark 23. Search by registrar. 24. Decision of registrar. Publication of application 25. Publication of application. 26. Publication of series of trademarks. 27. Publication on advertisement under sections 12 and 91 of the Act. Opposition to registration 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. Opposition. Notice of opposition. Counterstatement. Evidence in support of opposition. Evidence in support of application. Evidence in reply by opponent. Further evidence. Exhibits. Hearing. Extension of time. Security for costs. Costs in uncontested case. Non completion 40. Non completion within twelve months. Defensive trademarks 41. Application for registration of defensive trademark. Certification trademarks 42. Application for registration of certification mark. 1990