For registration as a trade marks attorney, a person is taken to meet the requirements of subregulation 20.1(1) until 27 January 2001 if the person:
(a) was, on 28 February 1998, registered as a patent attorney under section 198 of the Patents Act 1990 ; or
(b) met the requirements of paragraphs 198(2)(c) and (d) of the Patents Act 1990 as in force on 26 January 1999; or
(c) is a legal practitioner who acted for a client in trade mark matters before 27 January 1999, and makes a declaration to that effect; or
(d) is a person to whom note 4 to subsection 156(2) of the Trade Marks Act 1995 applies.