you agree that promo codes i must be used for the intended audience and purpose and in a lawful manner ii may not be duplicated sold or transferred in any manner or made available to the general public whether posted to a public form or otherwise unless expressly permitted by uber iii may be disabled by uber at any time for any reason without liability to uber iv may only be used pursuant to the specific terms that uber establishes for such promo code v are not valid for cash and vi may expire prior to your use