Why is the name of the service company and the name of the service technician entered during fiscalisation? How to configure the device to communicate with CRK via Ethernet? Who is entitled to the deduction for the purchase of a cash register? If the cash register communicates with CRK via Ethernet or WiFi, is it possible to use the same connection to communicate with the cash register from the computer (sales system)? Programming VAT rates - what is the binding order of programming VAT rates in cash registers?