Any offer which could result in the offferor holding 30% or more of the voting rights of a company must normally be conditional, not only on the specified numer of acceptances being received, but also on apporaval of the offer, signified by means of a separate box on the form of acceptance, being given by shareholders holding over 50% of the voting rights not held by the offeror and persons actin in concert with it. This requirement may be waived if over 50% of the voting rights of the oferree company are held by one independent shareholder who has indicated his approval.