Steps to Take if Your Rebate Check Does Not Arrive
If you do not know what company is handling the rebate, check MyRebates.com. Enter in the name of the company where you made the purchase or the manufacturer of the product your purchased.To track the status of your rebate, visit WheresMyRebate.com or Rebatestatus.com
Going to the Next Level With a Rebate Complaint
Don't mess around with playing the game of sending in multiple copies of receipts already sent in properly. If the rebate check never arrives or arrives late, file a complaint with the FTC, the state Attorney General or the local Better Business Bureau.Also write to the corporate headquarters of the company where you made your purchase and include copies of your correspondence with the above organizations.
Getting a rebate check may end up being difficult and frustrating, but be relentless. Remember the process is designed to make you give up.
More: How to Avoid the Rebate Rip-Off
Sources: FTC

