This Agreement shall be deemed to be modified, modified or supplemented only if the Parties have expressed such amendments in writing and have signed them by the Parties. Disclosure of rental rights and obligations. By signing this agreement, the tenant confirms that the legal rights and obligations of the lease have been disclosed to him by the lessor by providing a copy of the ARIZONA RESIDENTIAL LANDLORD AND TENANT ACT. The Arizona Commercial Lease Agreement allows the owner of real estate to lease it to any consenting resident who requires retail, industrial, and office space. A commercial lease differs from that of a housing rental agreement in that the landlord can only recover the rent when the tenant`s business begins to earn enough money to cover the costs. .