TAM Linhas Aereas has had its IOSA certificate (IATA Operational Safety Audit) renewed until January 2010. The certificate is considered the most thorough and widely accepted international verification of civil aviation operational safety. The IOSA registration revalidation was granted to TAM after the conclusion of the auditing process by independents and accredited technicians by IATA (International Air Transport Association) in November. The IATA audit certified that the company had satisfied standards for safety and operational quality. Begun in 2003, the IOSA Program is internationally recognized as a world reference for the management of operational safety. The certification covers ten main aspects of an airline's operational safety: operations control; flight operations; flight operations dispatch; engineering and aircraft maintenance; cabin operations and ground handling; cargo operations, security and training of all areas involved in operations. TAM's IOSA certification has been accepted in code-share agreements that the company implemented in 2007 with TAP Portugal, United Airlines, LAN and Lufthansa.