Yes you are missing the
60 days rule explanation.
This rule came in 2017 as an amendment to the “183 days” rule and provides incentives to high profile individuals, professionals and executives to become Cyprus Tax residents.
The 60 days rule is effective as from tax year 2017.
An individual can become a tax resident by either the case.
An individual who in the relevant tax year:
a. do not reside in any other country for a time period of more than 183 days(aggregate) and
b. is not a tax resident in any other country and
c. resides in Cyprus for at least 60 days and
d. has various︀ other Cyprus ties such as :
1. contract of employment
2. he is a business︁ owner
3. he is a director of a Cyprus Tax resident company
Registering the Estonian︂ company in Cyprus and residing in Cyprus for at least 60 days it's enough for︃ them to consider the company tax resident there.