The regulations regarding the right of withdrawal (sections 346-354) and the right of revocation and return (sections 355 - 359) as they apply to consumer contracts, which were fundamentally altered by the reform of the law of obligations and have gained in practical importance, have comprehensively been brought up to date. Discussions on current developments, such as the dispute surrounding the right of return for Internet purchases, are well substantiated and concrete solutions are developed and suggested.