Yes, this is possible in Poland.
We have used such an agreement with our clients in Krakow who are medical students from Norway. They study for the period from Oct 1st - June 30th, and then go home for the months of July, August, September.
The normal agreement here in Krakow is that if the student wants to stay on for the next academic year, then they pay the landlord half the monthly rent for the summer months while they are away (plus admin + bills).
Some landlords in Krakow also like having an apartment empty over the summer months, as if it is suitable, it can be used for tourist accommodation during the busiest months
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