The contractual conditions are negotiable between the tenant and the lessor and, after signature, the form is deemed legally and reciprocally binding. Allows tenants currently bound by a lease to introduce a new tenant who will live in their rent for the rest of the lease. In some countries, the law requires tenants to obtain permission from landlords before subletting the property. Periodic Rental – A type of short-term lease that does not have a predefined end date. May be terminated by the landlord or tenant as long as reasonable notice is given. The unilateral lease (1) is concluded between a lessor and a tenant to establish a simple rental agreement. The rental agreement can be indicated for a fixed term or a monthly basis, with general conditions such as monthly rent, departure and end date and responsibility for supply. This PDF template for a unilateral lease includes the fundamental elements of an operating lease, for example. B the names of the parties, the property to be rented, the duration of the lease, the amount, the object of the lease and its limitations as well as the facilities contained in the immovable property. .