How long is the permission normally granted for, how is it renewed, and what longer-term residence direction exists if officially stated?
The visa is valid for 90 days from issuance and admits a single entry with a permitted stay of 30 days. The NIS page marks the visa as extendable where applicable, but it does not state a renewal procedure, a limit on extensions, or any progression from this route to longer-term residence.
See recorded sources
Limits of the record- The NIS page states only the visa validity, the permitted stay and an extendability marker. It does not establish the renewal procedure, any limit on renewals, or a route from this permit to permanent residence or citizenship.