It was noted that each of the directors present had disclosed in writing to the secretary the manner in which he is interested in the business to be transacted at the meeting, whether as a director of any company which is party to such business or otherwise. The secretary was instructed to note the aforesaid interests in the Company Register of Directors’/Secretary's Interests.

Загвоздка с «the manner in which he is interested in the business to be transacted at the meeting»
Понимаю, что interest – доля, но сформулировать никак не получается…

сообщил секретарю в письменном виде о порядке проведения заседания (о порядке рассмотрения вопросов на заседании), в котором он заинтересован в качестве директора компании

...any company which is party to such business - надо думать

Перевод получается кривой.

What is the Register of Directors' Interests?

This is one of the company's statutory registers which must be kept available for inspection at the company's registered office or some other office notified to Companies House. It is a register of the interests each director has in the shares or debentures of the company (and related companies). It is not a register of outside interests.

By section 324 of the Companies Act 1985 every director is required to notify the company, in writing, of any interest he or she acquires (or any change in the interest) in the shares or debentures of the company, or its subsidiary or holding company, or a subsidiary of its holding company.

а ещё хуже, что to be interested in используется как "иметь долю в"

Conflict of interests. Where proposals are under consideration concerning the appointment of two or more directors to offices or employment's with the company or any body corporate in which the company is interested the proposals may be divided and considered in relation to each directors separately and (provided he is not for another reason precluded from voting) each of the directors concerned shall be entitled to vote and be counted in the quorum in respect of each resolution except that concerning his own

если у кого-то есть время и желание в этом разобраться, помогите, пожалуйста...

"ранее уведомил секретаря в письменном виде о характере своей заинтересованности в тех сделках, которые предполагается обсуждать на собрании, как в качестве директора компании - стороны таких сделок, так и в любом другом качестве"