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• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1983-12-01
    New project registered in TC/SC work programme
  • 20.20 1990-02-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1991-08-15
    Committee draft (CD) registered
  • 30.20 1991-10-15
    CD consultation initiated
  • 30.99 1991-12-30
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1992-06-04
    DIS registered
  • 40.20 1992-07-30
    DIS ballot initiated: 12 weeks
  • 40.60 1993-02-23
    Close of voting
  • 40.99 1993-09-20
    Full report circulated: DIS approved for registration as FDIS
• 50
  Approval
  • 50.00 1994-12-15
    Final text received or FDIS registered for formal approval
  • 50.20 1995-11-17
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1995-11-17
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1995-12-21
    International Standard published
• 90
  Review
  • 90.20 1999-11-25
    International Standard under systematic review
  • 90.60 2000-06-30
    Close of review
  • 90.93 2000-08-21
    International Standard confirmed
  • 90.20 2004-11-25
    International Standard under systematic review
  • 90.60 2005-07-15
    Close of review
  • 90.93 2005-08-16
    International Standard confirmed
  • 90.92 2008-05-30
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2011-05-13
    Withdrawal of International Standard

Revised by