Business Law 4th Edition by David Twomey,Marianne Jennings

Exercise 15

Following the events of September 11, 2001, in which four airplanes crashed as a result of the presence of terrorists on those flights, the FAA concluded that it needed to implement new procedures for airports and flights. The new procedures for security and flights took effect when the airports reopened five days later. Why did the FAA not need to go through the promulgation and public comment processes and time periods to have the new rules take effect?