Most leases are short-term contracts, for example.B monthly leases, while leases usually have longer lease periods like six months, a year or more. 7. Entry into the rented property. In order to avoid tenants` rights to enter illegally or in violation of data protection, your rental or lease agreement should clarify your legal right of access to the property – for example to carry out repairs – and indicate the amount of notice you send to the tenant before entering. A lease is a document that acts as a contract between you and your tenant and defines the terms of the lease. You can have it written in a way that is favorable to you, because you can decide what fits into the agreement.. . . .