A lease is a contract for the rental of real estate (commonly known as a rental agreement). Lease agreements can be written or oral. Most leases are written, as oral agreements can be subject to misunderstanding and are difficult to prove in the event of a dispute. A written rental agreement can be a formal contract or simply a copy of a letter indicating the rights and obligations of the lessor and the tenant. The responsibilities of the owner depend on the type of rental unit. Step 3 – In addition to the word “duration”, enter the effective date of the lease. Then enter the date on which the lease naturally expires. No no. The lessor is not required to rent again in the absence of a breach of the lease by the tenant. All communications must be provided on at least one document, application or form executed at or before the contract of sale of the building / execution of the rental contract of the building. . . .