(1) The Treasury may by regulations require a ring-fenced body to make arrangements for any one or more of the following purposes -
(a) ensuring that, except in prescribed cases, the ring-fenced body cannot become liable to meet, or contribute to the meeting of, pension liabilities which arise in connection with persons’ service on or after a date specified in the regulations ("the specified date") in any employment, other than service in an employment in respect of which the employer is a ring-fenced body;
(b) ensuring that, except in prescribed cases, the default of a person other than another ring-fenced body would not result in the ring-fenced body becoming liable to meet, or contribute to the meeting of, pension liabilities arising in connection with persons’ service in any employment before the specified date;
(c) to the extent that it is not possible to ensure the result mentioned in paragraph (a) or (b), minimising any potential liability falling within paragraph (a) or (b)
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