The disclosure relates, inter alia, to a method (400), performed by an access authorisation verification apparatus (3), said method comprising: obtaining (402) a piece of information from a transmission (5); identifying (403) a transmission data record from a multiplicity of transmission data records, which are stored on the access authorisation verification apparatus (3), using the piece of information obtained from the transmission (5), wherein the transmission data record comprises address information associated with the transmission; determining (407) one or more access control apparatuses from a multiplicity of access control apparatuses on the basis of a result of a comparison of the address information of the transmission data record with respective address information that is associated with the access control apparatuses and stored on the access authorisation verification apparatus (3) and/or with respective address information that is associated with the user(s) of the access control apparatus and stored on the access authorisation verification apparatus (3); allowing selection (415) and/or confirmation (413) of an access control apparatus (4) for the one or more determined access control apparatus(es) by a user (6) of the access authorisation verification apparatus (3); and communicating (419) access authorisation information associated with the access control apparatus (4) to the access control apparatus (4) in order to gain access to a room associated with the access control apparatus (4), so that the transmission (5) can be placed into or removed from the room. In addition, the disclosure relates to a corresponding method (300) for providing (310) transmission data records, access authorisation information associated with access control apparatuses and/or the users thereof and address information associated with the access control apparatuses, to apparatuses (2, 3) performing the methods (300, 400), computer programs associated with the methods and an appropriately set up system (1).