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• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1985-01-01
    New project registered in TC/SC work programme
  • 20.20 1986-11-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1988-02-01
    Committee draft (CD) registered
  • 30.99 1989-02-09
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1989-02-09
    DIS registered
  • 40.20 1989-03-02
    DIS ballot initiated: 12 weeks
  • 40.60 1989-10-16
    Close of voting
  • 40.00 1992-03-30
    DIS registered
  • 40.20 1992-04-09
    DIS ballot initiated: 12 weeks
  • 40.60 1992-11-05
    Close of voting
  • 40.00 1993-06-23
    DIS registered
  • 40.20 1993-07-08
    DIS ballot initiated: 12 weeks
  • 40.60 1993-10-12
    Close of voting
• 50
  Approval
  • 50.00 1994-02-24
    Final text received or FDIS registered for formal approval
  • 50.20 1995-03-20
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1995-03-20
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1996-12-26
    International Standard published
• 90
  Review
  • 90.20 2000-11-25
    International Standard under systematic review
  • 90.60 2002-04-10
    Close of review
  • 90.92 2002-04-10
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2003-12-05
    Withdrawal of International Standard

Revised by