Development and implementation of the software is the core activity related to the implementation of AIS,AES and CDMS systems. The purpose of this contract is as follows: to provide services related to the design, development, testing and implementation of AIS, AES and CDS (including all subsystems/components/modules), to contribute in the process of integration of the AIS, AES and CDS (including all subsystems/components/modules) within the CAS IT Systems Landscape and the EU Customs Application Architecture.