Once there, the user should know that they need to check under «More Resources» to find the money back guarantee: Nutrisystem, a weight loss program, has a very visible money-back guarantee. There is a time limit and also explains the return conditions: EBay is a more complicated example since it is an auction platform for other retailers and private parties. Although it is not responsible for defects in products and services, it nevertheless offers a money-back guarantee. The assumption that a money-back guarantee is required on websites stems from the current consumer protection guidelines. Online merchants and brick-and-mortar stores should clearly state their return and refund policies in most parts of the world.