...any service in connection therewith, than the rates and charges so filed ; and no such carrier shall, in any manner or by any device, directly or indirectly, or through any agent or broker or others, refund or remit any portion of the rates or charges so specified, or extend to any person any...

...charges specified in its currently effective tariffs ; and no air carrier or foreign air carrier shall, in any manner or by any device, directly or indirectly, or through any agent or broker, or otherwise, refund or remit any portion of the rates, fares, or charges so specified, or extend to any person any...

...charges specified in its currently effective tariffs: and no air carrier or foreign air carrier shall, in any manner or by any device, directly or indirectly, or through any agent «r broker, or otherwise, refund or remit any portion of the rates, fares, or charges so specified,...

...any service in connection therewith than the rates and charges so filed ; and no such carrier shall, in any manner or by any device, directly or indirectly, or through any agent or broken or others, refund or remit any portion of the rates or charges so specified, or extend to any...

...charges specified in its currently effective tariffs; and no air carrier or foreign air carrier shall, in any manner or by any device, directly or indirectly, or through any agent or broker, or otherwise, refund or remit any portion of the rates, fares, or charges so specified, or extend to any person any...

...or cause any undue or unreasonable preference or advantage to any particular person. (2) No common carrier shall refund or remit in any manner or by any device, directly or indirectly, or extend to any person any privileges or facilities for transportation in interstate commerce except...

...or cause any undue or unreasonable preference or advantage to any particular person. (2) No common carrier shall refund or remit in any manner or by any device, directly or indirectly, or extend to any person any privileges or facilities for transportation in interstate commerce except...

...or cause any undue or unreasonable preference or advantage to any particular person. (2) No common carrier shall refund or remit in any manner or by any device, directly or indirectly, or extend to any person any privileges or facilities for transportation in Interstate commerce except...

...statutory requirements that all published tariff rates shall be strictly observed, and that no common carrier shall refund or remit in any manner, or by any device, any portion of the charges collected under regular applicable tariffs. 9. In those instances where...

...air carrier or foreign air carrier: and no air carrier or foreign air carrier or ticket agent shall, in any manner or by any device, directly or indirectly, or through any agent or broker, or otherwise, refund or remit any "portion of the rates, fares, or charges so specified, or extend to any person...