(1) Where a scheme meeting is convened or summoned under section 450 there shall -
(a) with every notice convening or summoning the meeting which is sent to a creditor or member of the company concerned, be sent also a circular (in this section referred to as a "scheme circular") -
(i) explaining the effect of the compromise or arrangement,
(ii) stating any material interests of the directors of the company, whether as directors or as members or as creditors of the company or otherwise, and the effect thereon of the compromise or arrangement, in so far as it is different from the effect on the like interests of other persons,
(iii) where the compromise or arrangement affects the rights of debenture holders of the company, giving the like explanation in relation to the debenture trustees as it is required under subparagraph (ii) to give in relation to the company's directors,
(b) in every notice convening or summoning the meeting which is given by advertisement, be included the scheme
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