Special resolution to vary prospectus terms requires postal ballot with disclosure of particulars, justification, financial effect and risks. Notice pursuant to Form PAS-1 announces a board proposal to vary contract terms or alter prospectus objects and requires approval by special resolution through postal ballot. The advertisement must identify the company, state particulars of the terms or objects to be changed, describe the proposed variation, provide reasons and justification, disclose the effect on the company's financial position, set out major risk factors for the new objects, and name directors who opposed the proposal; copies of the special resolution and explanatory statement must be made available free of charge at the registered office or company website.