A. Upon an Owner ceasing to be insured by the Association in respect of any ship by virtue of a notice given (whether by the Owner or the Directors) in accordance with Rule 17 or Rule 18 and without prejudice to the effects of cancellation of insurance pursuant to Rule 31, then:

i. Unless and to the extent that in the case of Call Entries the Owner’s liability may have been otherwise agreed or assessed under Rule 30 (Release Calls upon Cesser), such Owner and his successors shall be and remain liable for all contributions, premiums and other sums payable in respect of the whole of the policy year in which such notice was given, and in respect of previous policy years, and
ii. Subject to the other provisions of these Rules and to the terms of entry the Association shall remain liable in respect of such entered ship for all claims under these Rules arising by reason of any event which had occurred prior to noon GMT on 20th February immediately following the giving of such notice, but shall not otherwise be under any liability whatsoever by reason of anything occurring at or after that date and time.

B. Upon an Owner ceasing to be insured by the Association in respect of any ship pursuant to paragraph Q, R or V of Rule 5 or otherwise than in accordance with Rule 17, Rule 18, Rule 29 (A), (B) or (C), or Rule 31 (A), then:

i. Unless and to the extent that in the case of Call Entries the Owner’s liability may have been agreed or assessed under Rule 30 (Release Calls upon Cesser), such Owner and his successors shall be and remain liable in relation to any Overspill Calls for the whole amount payable by him in accordance with Rule 22, and in relation to all other contributions, premiums and other sums payable:

a) in respect of the policy year in which such cessation occurs, on a pro rata basis, namely for the proportion of such sums applicable to the period beginning at the commencement of that policy year (or, in the case of a ship entered during that policy year, the date of entry) and ending at noon GMT on the date of such cessation, and
b) in respect of previous policy years, for the whole of those policy years, and

ii. Subject to the other provisions of these Rules and to the terms of entry the Association shall remain liable in respect of such entered ship for all claims under these Rules arising by reason of any event which had occurred prior to noon GMT on the day of such cessation, but shall not otherwise be under any liability whatsoever by reason of anything occurring at or after that date and time,

PROVIDED ALWAYS that:
nothing in paragraph (B) of this Rule shall be taken to confer validity on any notice purporting to terminate the entry of any ship given otherwise than in accordance with Rule 17, Rule 18 or Rule 31 (A).