One interpretation says the much-criticised quarantine in state facilities might have been unlawful all this time.
The state is expected to monitor people via their own mobile phones.
One area the country lags behind is tracking the contacts of infected cases.
Hygienists published detailed instructions only hours before the new rules came into force.
A less strict regime for some people, mainly those living in cross-border regions, applies as of May 1.
Draught beer can be purchased but should only be consumed at home in many municipalities.
Mass events most likely will not be allowed earlier than in autumn.
The government will present its plan of easing coronavirus measures in Slovakia next Monday.
Can I go shopping or refuel in another district? Can a driver not wearing a mask be fined? Find the answers.
Questions about stricter limits on people's movement during Easter holidays answered.
Experts expect the peak in early July, but fewer infections than originally expected. Measures will need to last for more weeks, they say.