Any person, or together with persons acting in concert, holding not less than 30% but not more than 50% of the voting rights of a company may be permitted to acquire additional shares carrying not more than 1% of such voting rights in any period of 6 months without incurring an obligation to make a mandatory offer. Within this 1% band, dispositions of voting rights may be netted off against acquisitions thereof. If such person, or together with persons acting in concert, intend to acquire such additional shares, the CBB must be consulted in advance.