For example, the Agency may regulate: • the design, construction or modification of means of transportation and related facilities and premises and their equipment; • signage; • training of personnel interacting with persons with disabilities; • the tariffs, rates, fares, charges and terms and conditions of carriage of persons with disabilities; and • communication of information for persons with [...] While this does not include retail outlets such as shops and restaurants, or other areas or services that are not vital, integral or necessary to the operation of a terminal, these are nevertheless encouraged to meet the provisions of this Code to better serve the needs of all of their customers. [...] Air terminal operators should specify in requests for proposals, contracts and other governing documents for the design and construction of new buildings; the alteration, reconstruction and renovation of existing buildings; and the replacement of equipment, that they should comply with the applicable provisions of the CSA’s design standard. [...] Where this is the case, air terminal operators should work actively with landlords to ensure that the needs of passengers with disabilities are met, and in this regard, are encouraged to use this Code and the accompanying Resource Tool as references. [...] To avoid the creation of new barriers, the repair of uneven surfaces and the removal of furniture, fixtures or obstructions that encroach on corridors or accessible paths of travel and other such maintenance should be performed on a regular basis.