The Aviation and Transportation Security Act (ATSA) was written into law by the 107th US Congress in the immediate aftermath of the September 11, 2001 terrorist attacks. The Act let to the enactment of Public Law 107-71, which President George W. Bush signed into law on November 19, 2001. The Congress of the United States is the legislative branch of the federal government of the United States of America. ... The World Trade Center on fire The September 11, 2001 attacks were a series of coordinated terrorist attacks against the United States on September 11, 2001. ... Public law is the area of the law governing the relationship between individuals (citizens, companies) and the state. ... President is a title held by many leaders of organizations, companies, universities, and countries. ... George Walker Bush (born July 6, 1946) is the 43rd and current President of the United States. ...

The Act led to the development of the new Transportation Security Administration (TSA) within the Department of Transportation. This Act established a series of challenging but critically important milestones toward achieving a secure air travel system. The Transportation Security Administration (TSA) was created as part of the Aviation and Transportation Security Act passed by the U.S. Congress and signed into law by President George W. Bush on November 19, 2001. ... The United States Department of Transportation (DOT) is a Cabinet department of the United States government concerned with transport. ...

TSA's Service Commitment of reads, "The ultimate goal of TSA Service is to create an atmosphere that aligns with our passenger's need to be secure while ensuring the freedom of movement for people. In doing so our employees will assure customer confidence and ultimately establish a standard for passenger satisfaction."

http://www.tsa.gov/interweb/assetlibrary/Aviation_and_Transportation_Security_Act_ATSA_Public_Law_107_1771.pdf