The term “requirement specification” was often used at the ERP info day. All participants in an ERP project are familiar with it, but there are different ideas about the necessary content. Concentration on the essentials “is just as much a success factor as” taking fewer special requests into account “, the group says. All communication with regard to the requirements should always be done in a “simple, unified language”. In the course of developing a requirement specification, you should also take advantage of the opportunity to prioritize the requirements once again with the introductory partner.