1. 
   IRS
   International Retail Service.  Provided by London Stock Exchange to allow access to trading in international stocks, with dealing and settlement in sterling. Stock is held and settled through CREST.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   IRS
   Infrared Signature
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   IRS
   Illinois Radiological Society
   Found op http://www.encyclo.co.uk/local/20895
   
   
4. 
   IRS
   The United States national tax collection agency, called the Internal Revenue Service.
   Found op http://www.econterms.com/glossary.cgi?query=IRS
   
   
5. 
   IRS
   Increasing returns to scale = IRTS.
   Found op http://www-personal.umich.edu/~alandear/glossary/i.html
   
   
6. 
   IRS
   Independant Rear Suspension
   Found op http://www3.sympatico.ca/dhaughey/j1930.htm
   
   
7. 
   IRS
   - See INTERNAL REVENUE SERVICE.
   Found op http://www.nysscpa.org/prof_library/guide.htm
   
   
8. 
   IRS
   (Indian Remote Sensing satellite) A series of Earth resources satellites launched by ISRO (Indian Space Research Organisation). The first of them, IRS-1A, followed on from the two Bhaskara experimental resources satellites launched in 1979 and 1981. Spacecraft Launch date L...
   Found op http://www.daviddarling.info/encyclopedia/I/IRS.html
   
   
9. 
   IRS
   Intermediate Routing Site
   Found op http://www.met.police.uk/foi/glossary.htm
   
   
10. 
    IRS
    Internal Revenue Service. An agency of the U.S. Department of Treasury responsible for encouraging taxpayers to voluntarily comply with the tax laws and regulations. It also provides information and assistance to taxpayers and takes action when necessary and appropriate to enforce the law.
    Found op http://www.ircpolitics.org/glossary.html
    
    
11. 
    irs
    1) ... agent 2) ... scan (biometric authentication method) 3) 1040 gp. 4) 1040 group 5) 1040 grp. 6) 1040 initials 7) 1040 issuer 8) 1040 org. 9) 1040 organisation 10) 1040 sender 11) 1040ez issuer 12) 1099 org. 1...
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/irs/1
    
    

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