Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1985-04-01
    New project registered in TC/SC work programme
  • 20.20 1987-01-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1989-09-01
    Committee draft (CD) registered
  • 30.99 1990-05-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1993-04-14
    DIS registered
  • 40.20 1993-05-06
    DIS ballot initiated: 12 weeks
  • 40.60 1993-12-06
    Close of voting
  • 40.00 1995-08-14
    DIS registered
  • 40.20 1995-09-07
    DIS ballot initiated: 12 weeks
  • 40.60 1995-12-06
    Close of voting
• 50
  Approval
  • 50.00 1996-08-07
    Final text received or FDIS registered for formal approval
  • 50.20 1997-02-07
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1997-02-07
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1997-06-19
    International Standard published
• 90
  Review
  • 90.92 2001-04-26
    International Standard to be revised
  • 90.93 2004-03-02
    International Standard confirmed
  • 90.92 2007-04-27
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2012-06-21
    Withdrawal of International Standard

Revised by