Previously

Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1991-05-01
    New project registered in TC/SC work programme
• 30
  Committee
  • 30.00 1994-05-30
    Committee draft (CD) registered
  • 30.99 1994-10-14
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1995-08-15
    DIS registered
  • 40.20 1995-08-31
    DIS ballot initiated: 12 weeks
  • 40.60 1996-03-28
    Close of voting
• 50
  Approval
  • 50.00 1997-04-10
    Final text received or FDIS registered for formal approval
  • 50.20 1997-07-24
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1997-10-27
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1997-12-25
    International Standard published
• 90
  Review
  • 90.20 2001-11-15
    International Standard under systematic review
  • 90.60 2002-07-30
    Close of review
  • 90.92 2008-09-04
    International Standard to be revised
  • 90.93 2020-01-20
    International Standard confirmed
  • 90.20
    International Standard under systematic review
  • 90.60
    Close of review
• 95
  Withdrawal