The Inland Revenue Authority of Singapore (IRAS) will raise the Annual Values (AVs) of HDB flats with effect from 1 January 2010. To help HDB homeowners adjust to the AV increase, the government will grant a one-off property tax rebate to all HDB owner-occupiers for the property tax payable in 2010. There are two existing property tax rebates; the $100 rebate and the 40% rebate that were provided as part...