Is it possible to program VAT rates "the old way" in cash registers after May 1? 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)? How to configure the device to communicate with CRK via Ethernet? When can a taxpayer apply to the Tax Office for a schedule change? Programming VAT rates - what is the binding order of programming VAT rates in cash registers?