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Yes. However it may be connected with some restrictions. You must know the difference between purchasing property (undeveloped or developed ground for example: single-family home) from purchasing self-contained residential unit (for example: block of flats or tenement).
In Poland statute of un unemployed on labour market is determined by the statute from 20th April 2004 about promotion of employment and institutions of labour market (Journal of Laws of the Republic of Poland, 2019 position 1482).