Cannot be stated as abuse of dominance in the case where the service provider announces in a contract the reason of the price increase and refers to the possibility of controversy (Újpesti Vagyonkezelő Rt):

October 19, 1999. Budapest

Vérné dr. Labát Éva sk. előadó
dr. Sólyom Eszter sk.
dr. Bodócsi András sk.
Ágoston Marika