FIRS may refer to: *

Federal Inland Revenue Service The Federal Inland Revenue Service (FIRS) is the agency responsible for assessing, collecting and accounting for tax and other revenues accruing to the Federal Government of Nigeria. History Federal Inland Revenue Service (FIRS) was created in ...

, the federal tax administrator in Nigeria *

Fédération Internationale de Roller Sports The Fédération Internationale de Roller Sports (FIRS; en, International Federation of Roller Sports) was the world governing body for roller sports, including skateboarding, rink hockey, inline hockey, inline speed skating, inline alpine, downhi ...

, the International Federation of Roller Sports *

FIRS (index) The FIRS Index is a share index of the 13 privatisation-investment funds (PIFs) listed on the Banja Luka Stock Exchange (BLSE), established on 29 July 2004. FIRS stands for ''Indeks investicionih fondova Republike Srpske'', which is Serbian for Inv ...

, a share index of the Banja Luka Stock Exchange *Forensic Investigation Research Station, a " body farm" at Colorado Mesa University *

Forum of International Respiratory Societies The Forum of International Respiratory Societies is a respiratory health advocacy organization which consists of the following organizations: *The Asociacion Latinoamericana del Thorax *The American College of Chest Physicians *The American Thoraci ...

, a respiratory health advocacy organization

See also