The subject of the contract is the delivery of the work, the output of which will be a new IS replacing the original IS and its registers, in the form of application and software, comprehensively addressing the shortcomings of the current state. At the same time, it requires integrations to the extent that it covers the required range of system application services. The subject of the contract is also operation support and service support. A detailed deion of the subject of the contract is given in the tender documents.