denmark-glostrup: it services: consulting, software development, internet and support./ operation, maintenance and further development of the general agricultural register (glr) and central livestock register (chr)./ the ordering party wishes to re-tender operation, maintenance and further development of the existing system complex glr/chr, to enter into an agreement on operation, maintenance and further development of glr/chr as well as its underlying subsystems and applications. the supply to be procured consists of the following main components: 1) establishment and transition of the platform and preparation for operation of the system complex 2) operation, maintenance and further development of the glr/chr system complex the glr / chr system complex is a particularly important and business-critical one for the ordering parties. chr is further categorized as a social critical system. refer to the contract's annex 1: situation deion for further information.