State Tax Service of Ukraine informs that in August 2023, the number of 15800 business entities (1200 legal entities and 14600 individuals-entrepreneurs) subject to the Law of Ukraine "On the use of registrars of settlement operations in trade, public catering and services" registered 23900 RRO/PRRO in the controlling bodies, of which 4700 are RRO and 19200 - PRRO.
In addition, please note that free PRRO from the State Tax Service is publicly available on the relevant digital platforms (download it here).
Application form for PRRO registration is here.