The business plan and equity proposal is circulated among prospective investors, before a physical pitch is made at an presentation event.

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Last week, its management put forward its restructuring business plan to the ministers, which included the proposal to lay off 140 more staff.

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"We can't comment further on Len Riggio's plan to make a proposal to purchase the retail business other than to confirm ongoing discussions between Len and the strategic committee of the board, " Lynch said Thursday.

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Last year, the Corlan Hafren consortium submitted a business plan to the Department of Energy and Climate Change outlining a new proposal.

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The proposal is to restructure the centre's management and business plan and free up more space at its Mitchell Lane venue for revenue-generating corporate events.

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