; and (2) by inserting after subsection (c) the following: (d) Electronic cigarettes (1) Inclusion The use of an electronic cigarette shall be treated as smoking for purposes of this section. (2) Electronic cigarette defined In this section, the term electronic cigarette means a device that delivers nicotine to a user of the device in the form of a vapor that is inhaled to simulate the experience of smoking. . 535. Consumer protection requirements relating to large ticket agents (a) In general Not later than 90 days after the date of enactment of this Act, the Secretary of Transportation shall issue a final rule to require large ticket agents to adopt minimum customer service standards. (b) Purpose The purpose of the final rule shall be to ensure that, to the maximum extent practicable, there is a consistent level of consumer protection regardless of where consumers purchase air fares and related air transportation services. (c) Standards In issuing the final rule, the Secretary shall consider, at a minimum, establishing standards for— (1) providing prompt refunds when ticket refunds are due, including fees for optional services that consumers purchased but were not able to use due to a flight cancellation or oversale situation; (2) providing an option to hold a reservation at the quoted fare without payment, or to cancel without penalty, for 24 hours; (3) disclosing cancellation policies, seating configurations, and lavatory availability with respect to flights; (4) notifying customers in a timely manner of itinerary changes