 Based on the rationale of the previous relief scheme, Section 19 of the Ordinance was amended in 1984 to provide a mechanism to phase in the effect of infrequent revaluation.The amount of increase in rates payable in any year was limited to not more than a certain percentage, as prescribed by resolution of the Legislative Council, of the amount of rates payable in the preceding year.The increases were limited to not more than 20% for each of the years 1984/85, 1985/86 and 1986/87 in respect of the 1984/85 revaluation.