To be Accessible ****************************************************************************************** * ****************************************************************************************** A1. (meta)data are retrievable by their identifier using a standardized communications pro A1.1 the protocol is open, free, and universally implementable. A1.2 the protocol allows for an authentication and authorization procedure, where necessar A2. metadata are accessible, even when the data are no longer available. ****************************************************************************************** * ****************************************************************************************** Data and their metadata should be retrievable using their (persistent) identifier. Your da freely available, ideally via a repository. If access to data needs to be restricted, make selected repository offers authentication and authorisation. Not all data can be freely shared; restricting access to data may, under certain condition accordance with the FAIR principles (for example, if the data contain personal or sensitiv or are related to national security, etc.). If access to data is restricted, then at least be freely accessible, including information that the given dataset exists and general info its contents. Metadata should also include information regarding access conditions and lim example, they should specify the conditions under which accessing the data is possible.