Go to your bank contribute to your existing RRSP account, contribute the same amount to the RRSP account. Or open an new RRSP account with any bank, then contribute the same amount to the RRSP account. Next year when you do the income tax return of year 2012, input the amount in the income tax t1 Genearal, form Schedule 7, part B(Repayments under the HBP and LLP). In that way, CRA will recognize that you pay the full HBP amount back.