Article 28 4

4.   Economic operators may refuse to refill a container provided by the end user if the end user does not comply with the rules for refill communicated by the economic operator pursuant to paragraph 1, in particular if the economic operators consider the container to be unhygienic or unsuitable for the sale of food or drink. Economic operators shall bear no liability for hygiene or food safety issues that arise from the use of containers provided by the end user.