- content of tenancy agreements and lease contracts

- use according to the contract of the rental unit

- disorders of tenancy agreements

- bailments

- abatement of rent and idemnity

- rent increase

- warnings and cancellations

- home requirements by the landlord

- execution of tenancies

- painting maintenance

- maintenance and modernisations of houses and flats

- subtenancy

- partners of tenancy agreements in insolvency

- loan

- alternation of landlords