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• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1992-10-01
    New project registered in TC/SC work programme
  • 20.20 1993-03-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1993-08-15
    Committee draft (CD) registered
  • 30.20 1993-08-15
    CD consultation initiated
  • 30.99 1994-02-16
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1994-03-14
    DIS registered
  • 40.20 1994-04-07
    DIS ballot initiated: 12 weeks
  • 40.60 1994-11-28
    Close of voting
  • 40.93 1995-05-24
    Full report circulated: decision for new DIS ballot
• 50
  Approval
  • 50.00 1995-06-15
    Final text received or FDIS registered for formal approval
  • 50.20 1996-05-23
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1996-09-06
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1996-11-28
    International Standard published
• 90
  Review
  • 90.20 2000-11-25
    International Standard under systematic review
  • 90.60 2001-05-15
    Close of review
  • 90.93 2001-06-27
    International Standard confirmed
  • 90.20 2005-11-15
    International Standard under systematic review
  • 90.60 2006-07-11
    Close of review
  • 90.93 2006-07-11
    International Standard confirmed
  • 90.92 2007-07-20
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2011-01-20
    Withdrawal of International Standard

Revised by