The Berlin Group Interface Specifications in version 2 are a stable specification as interfaces for bilateral card processing throughout Europe. They are used now for a while by different processors, compare the implementation status report on this web site. Therefore, change requests on these specifications between two releases of the specification might have impact on running systems, let it be minor technical change requests on the field definitions or major functional extensions. The Berlin Group has decided to formalize the change management for these change needs. The Change Management Procedure defined for the Berlin Group Interface Specifications are published now.