The article concerns the possible scope of application of the provisions of the Real Property Management Act to update the annual fee for the perpetual usufruct of real property included in the Agricultural Property Stock of the Polish State Treasury. The considerations undertaken concern, for instance, the scope of the reference expressed in Article 17b(2a) of the Act on the management of the agricultural real property of the Polish State Treasury, the admissibility of the application of Article 77 of the Real Property Management Act and its significance for perpetual usufructuaries.