Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1991-10-11
    New project registered in TC/SC work programme
• 30
  Committee
  • 30.00 1991-10-11
    Committee draft (CD) registered
  • 30.99 1991-12-02
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1991-12-02
    DIS registered
  • 40.20 1992-01-09
    DIS ballot initiated: 12 weeks
  • 40.60 1992-07-23
    Close of voting
• 50
  Approval
  • 50.00 1995-01-31
    Final text received or FDIS registered for formal approval
  • 50.20 1997-03-12
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1997-03-12
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1997-05-22
    International Standard published
• 90
  Review
  • 90.20 2001-11-15
    International Standard under systematic review
  • 90.60 2002-07-30
    Close of review
  • 90.20 2007-07-17
    International Standard under systematic review
  • 90.60 2007-12-18
    Close of review
  • 90.93 2007-12-19
    International Standard confirmed
  • 90.20 2012-10-15
    International Standard under systematic review
  • 90.60 2013-03-20
    Close of review
  • 90.93 2013-04-16
    International Standard confirmed
  • 90.20 2018-04-15
    International Standard under systematic review
  • 90.60 2018-09-05
    Close of review
  • 90.93 2019-06-27
    International Standard confirmed
  • 90.20 2024-04-15
    International Standard under systematic review
  • 90.60
    Close of review
• 95
  Withdrawal