Federal Act
on the Amendment of the Swiss Civil Code
(Part Five: The Code of Obligations)

¹ 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.

² Para­graph 1 also ap­plies where the land­lord makes oth­er uni­lat­er­al amend­ments to the lease to the det­ri­ment of the ten­ant, in par­tic­u­lar by re­du­cing the ser­vices provided or adding new ac­cess­ory charges.