Observing Countries

• Austria ( ASI )   
• Bosnia and Herzegovina ( BAS )   
• Czech Republic ( UNMZ )   
• Egypt ( EOS )   
• Finland ( SFS )   
• Greece ( ELOT )   
• Hong Kong ( ITCHKSAR )   (Correspondent member)
• India ( BIS )   
• Indonesia ( BSN )   
• Iran, Islamic Republic of ( ISIRI )   
• Kenya ( KEBS )   
• Portugal ( IPQ )   
• Romania ( ASRO )   
• Serbia ( ISS )   
• Spain ( AENOR )   
• Switzerland ( SNV )   
• Tunisia ( INNORPI )   
• Turkey ( TSE )