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• 00
  Preliminary
• 10
  Proposal
  • 10.99 1987-05-01
    New project approved
• 20
  Preparatory
  • 20.00 1987-06-01
    New project registered in TC/SC work programme
• 30
  Committee
  • 30.00 1991-03-01
    Committee draft (CD) registered
  • 30.99 1991-03-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1992-05-20
    DIS registered
  • 40.20 1992-06-04
    DIS ballot initiated: 12 weeks
  • 40.60 1993-01-08
    Close of voting
• 50
  Approval
  • 50.00 1997-07-11
    Final text received or FDIS registered for formal approval
  • 50.20 1997-12-25
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1998-04-02
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.00 1998-04-07
    International Standard under publication
  • 60.60 1998-06-18
    International Standard published
• 90
  Review
  • 90.20 2002-11-15
    International Standard under systematic review
  • 90.60 2003-07-07
    Close of review
  • 90.93 2003-07-07
    International Standard confirmed
  • 90.20 2008-07-15
    International Standard under systematic review
  • 90.60 2008-12-17
    Close of review
  • 90.93 2009-05-06
    International Standard confirmed
  • 90.20 2014-04-15
    International Standard under systematic review
  • 90.60 2014-09-17
    Close of review
  • 90.93 2014-09-23
    International Standard confirmed
  • 90.92 2014-12-15
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2019-09-21
    Withdrawal of International Standard

Revised by