Monitor Prawniczy no. 21/2020 Criteria for setting the amount of remuneration for non-contractual use of someone else’s property Krzysztof Mularski 10.32027/MOP.20.21.1 Transformation of a shareholding company Mateusz Baszczyk 10.32027/MOP.20.21.2 Practical problems associated with preparatory proceedings in cases concerning tampering with the odometer (Art. 306a of the Penal Code) Błażej Boch 10.32027/MOP.20.21.3 Use of drones by the police from the viewpoint of personal data protection Maciej Siwicki 10.32027/MOP.20.21.4 Inadmissibility of reserving a contractual penalty in case of withdrawal from a contract due to non-performance of a pecuniary obligation Aldona Pajor