Now

• 00
  Preliminary
• 10
  Proposal
  • 10.99 1991-12-01
    New project approved
• 20
  Preparatory
  • 20.00 1991-12-01
    New project registered in TC/SC work programme
  • 20.20 1991-12-15
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1994-03-01
    Committee draft (CD) registered
  • 30.20 1994-03-01
    CD consultation initiated
  • 30.99 1994-06-30
    CD approved for registration as DIS
• 40
  Enquiry
• 50
  Approval
  • 50.00 1996-05-02
    Final text received or FDIS registered for formal approval
• 60
  Publication
  • 60.00 1997-11-21
    International Standard under publication
  • 60.60 1998-02-19
    International Standard published
• 90
  Review
  • 90.92 2003-06-19
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2005-09-15
    Withdrawal of International Standard