A tree stand includes a housing dimensioned for holding electronic components used in providing electricity in support of decorative lighting for the tree. The removal is based on the analysis of the information contained in a compressible package of a respective document file. In embodiments, the threads may be blown andor the neck portion may include a neck rib provided vertically above the threads. The vendor-specific charge restrictions for a particular vendor may be specified by the account holder either before or after an initial charge transactions involving that vendor, with the vendor identifier either manually entered by the account holder or automatically extracted from an account transaction record. If the restriction conditions are not satisfied and trouble cannot be avoided, the cause for not being able to avoid trouble is extracted. Following the reception of this event, the third-party element sends the first of the two agents a signalling message adapted to cause said agent to send an invitation message addressed to the second of the two agents and intended to pass via the third-party element.