{'rm': 'Il locatari po contestar in augment dal tschains da locaziun sco abusiv tar l’autoritad da mediaziun en il senn dals artitgels 269 e 269a, e quai entaifer 30 dis dapi la communicaziun.', 'en': 'Within 30 days of receiving notice of a rent increase, the tenant may challenge it before the conciliation authority as unfair within the meaning of Articles 269 and 269a.'}