§ 11

A lease agreement and other agreements regarding the leased property must be made in writing if one of the parties demands it.

Stk. 2.A lease agreement is considered to be made on the terms of the law, to the extent that nothing else is expressly stipulated in the agreement.

Stk. 3.If the rent amount is not agreed upon, it is deemed to be the amount that is reasonable considering the rules in chapter 3 or the rules regarding the value of the leased property, cf. § 42 and 3, or § 43.

Stk. 4.If the landlord wishes to charge a rent where the yield is calculated according to § 25, the lease agreement must state when the agreed rent was last set according to § 23, and the agreement must approximately indicate the maximum rent that can be calculated for the tenancy at the time of the lease agreement's conclusion. It must also state whether the agreed rent is reduced pursuant to § 23.

Stk. 5.For lease agreements subject to the landlord's decision on regulation according to the net price index, cf. § 26, and which are entered into after the landlord has made such a decision, the lease agreement must state that the rent is regulated according to the net price index, and it must also state when the 2-year period mentioned in § 26 expires.