The maximum rebate for the federal portion of the HST is $6300. In addition an eligible new Home buyer can also claim a rebate of 75% of the Ontario portion (8%) of the HST. Although this rebate is available for all Homes regardless of their purchase price it is capped at a maximum rebate of $24000. CRA issues the NRRP (new residential rental property rebate) within two months. It sometimes takes about six months to process but rebates can be as fast as four weeks.