If this is about a rebate from the state that you live in for energy efficient appliance purchases you will have to apply with your state tax department and you can probably do it at state web...
rebate(n) rebate [ˈriːbeit] :a part of a payment, tax etc which is given back to the person paying it. ''she received many rebates from the government'' rebate(d) rebate [ˈriːbeit]...