Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
  • 30.00 1976-03-01
    Committee draft (CD) registered
  • 30.20 1983-01-01
    CD study initiated
  • 30.99 1983-12-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1991-11-26
    DIS registered
  • 40.20 1992-01-09
    DIS ballot initiated: 12 weeks
  • 40.60 1992-07-23
    Close of voting
• 50
  Approval
  • 50.00 1997-09-29
    Final text received or FDIS registered for formal approval
• 60
  Publication
  • 60.00 1997-12-01
    International Standard under publication
  • 60.60 1998-02-05
    International Standard published
• 90
  Review
• 95
  Withdrawal
  • 95.99 2013-12-10
    Withdrawal of International Standard