The article focuses on the implications of the newly implemented electronic registration of sales (EET) system in Czechia, particularly its impact on the grey economy and tipping in the hospitality sector. The EET is designed to improve tax compliance by requiring businesses to report sales in real-time, thereby discouraging underreporting and unofficial income, especially in industries notorious for cash transactions such as restaurants and bars.

The discussion extends to how the EET may alter the cultural practice of tipping in Czech restaurants. With the new regulations, there's concern among both employees and patrons about how tips will be recorded and taxed. Will tips be reported as taxable income by employees, and how will this affect the willingness of customers to tip, especially in a society where tipping culture differs significantly from more formalized practices seen in other countries?

Ultimately, the article presents these changes as a double-edged sword; while the EET aims to increase transparency in the economy and reduce the grey market, it could also unintentionally impact the income of service industry employees and change customer interactions in the hospitality sector. This creates a complex scenario that policymakers will need to navigate carefully as the system rolls out and its effects become clearer.