“The full credit would be available for 2009 and 2010 but is limited to those making $75,000 or less ($150,000 or less for workers filing joint returns).

The credit could be paid to workers in one of two ways: through their paychecks or through their federal tax return.

The Make Work Pay Credit also would be refundable, meaning that even tax filers without any tax liability — typically very low-income workers — would receive one.”

As per this article, full credit extended to entire year 2009 and 2010. But it is not talking about waving repayment. Repayment is still there. As per my knowledge if make loss on selling home, you do not need to repay 7,500.00