Cash register requirements in Lithuania

A cash register must be serviced by a certified cash register service company holding a cash register maintenance and repair certificate issued in accordance with the procedure established by the State Tax Inspectorate, which allows:
- to perform maintenance and repair work on the cash registers and related equipment of the models
- to provide the services of signing cash register operations, if the security module is implemented based on the hardware security module when it is a component of more than one cash register used for cash registers of different taxpayers installed in different points of sale

Also, data identifying the cash register must be indicated on the body of the cash register and/or on the label attached to it: model (modification), the serial number provided by the manufacturer, name of the manufacturer. All documents generated and printed by the cash register must be uniquely numbered in ascending order. Each document must have a unique document serial number and a corresponding document type number.