If your trading partner left you a negative rating, you can still work things out. Get in touch with the buyer and mutually resolve theissue. If you both agree that the negative rating was unnecessary, you can choose to mutually withdraw the negative rating.
Read in detail about how it works...

Did you get a negative rating that's unfair or offensive? Is your trading partner threatening to give a negative rating unless you agreeto their demands? Tell eBay about it!
Read all about how to deal with Feedback abuse...

Online Dispute Resolution (ODR) is third-party service that you can use to resolve Feedback disputes with your trading partners. For more details, visit www.odrindia.com