Where before 1st February 1993 a person had notified the Executive of his intention to undertake activities involving genetic modification which complied with regulation 5(1) and (2)(a) of the 1989 Regulations as then in force, that notification shall be treated as satisfying the requirements of regulation 8 except that regulation 8(3) shall apply to that activity on or after 1st February 1994.

Before 2nd May 1993 it shall be a sufficient compliance with regulation 8 if the notifier commences the activity having notified his intention to do so 30 days in advance or such shorter time in advance as the Executive may approve and regulation 8(3) shall not apply to activities commenced before 2nd May 1993 until 1st February 1994.

Where before 1st February 1993 a person had notified the Executive of his intention to undertake activities involving genetic modification which complied with regulation 5(1) and (2)(b) of the 1989 Regulations as then in force, that notification shall be treated as satisfying the requirements of regulation 9 except that regulation 9(5) shall apply to that activity on or after 1st February 1994.

Before 2nd April 1993 it shall be a sufficient compliance with regulation 9 if the notifier of an activity involving genetic modification had notified it in accordance with that regulation 30 days in advance or such shorter time in advance as the Executive may approve and regulation 9(5) shall not apply to activities commenced before 2nd April 1993 until 1st February 1994.

Regulation 10 shall apply to any notification made on or after 1st February 1993.