{'rm': 'Il locatari po contestar il tschains da locaziun sco abusiv e pretender ch’el vegnia reducì sin il proxim termin da disditga ch’è pussaivel, sch’el ha motivs da supponer ch’il locatur realiseschia in profit stravagà tenor ils artitgels 269 e 269a tras la chaussa dada en locaziun, e quai pervia d’ina midada essenziala da la basa da calculaziun, spezialmain pervia d’ina reducziun dals custs.', 'en': 'The tenant may challenge the rent as unfair and request its reduction as of the next termination date where he has good cause to suppose that, because of significant changes to the calculation basis and most notably a reduction in costs, the return derived by the landlord from the leased property is now excessive within the meaning of Articles 269 and 269a.'}