(1) In this section -
"any insured person concerned" means any person who is a party to or named in the health insurance contract referred to in subsection (3) (other than the requester);
"the first-mentioned undertaking" shall be construed in accordance with subsection (2);
"the requester" shall be construed in accordance with subsection (2).
(2) The Minister may by regulations require each registered undertaking ('the first-mentioned undertaking') to furnish to another registered undertaking ('the requester'), if -
(a) the requester needs the statement for the purposes referred to in subsection (3),
(b) the requester makes a request for the statement, and
(c) the information concerned is in the possession of, or may reasonably be procured by, the first-mentioned undertaking,
a statement in writing of -
(i) the period or periods during which any insured person concerned was a party to or named in a health insurance contract effected with the first-mentioned undertaking,
(ii) unless a
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