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• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1978-06-01
    New project registered in TC/SC work programme
• 30
  Committee
  • 30.00 1985-01-01
    Committee draft (CD) registered
  • 30.99 1989-01-19
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1989-01-19
    DIS registered
  • 40.20 1989-05-04
    DIS ballot initiated: 12 weeks
  • 40.60 1989-12-01
    Close of voting
  • 40.00 1992-09-22
    DIS registered
  • 40.20 1993-01-14
    DIS ballot initiated: 12 weeks
  • 40.60 1993-04-19
    Close of voting
• 50
  Approval
  • 50.00 1994-07-28
    Final text received or FDIS registered for formal approval
  • 50.20 1994-08-12
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1994-08-12
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1994-10-20
    International Standard published
• 90
  Review
  • 90.20 1998-11-30
    International Standard under systematic review
  • 90.60 1999-07-15
    Close of review
  • 90.20 2003-11-25
    International Standard under systematic review
  • 90.60 2004-07-15
    Close of review
  • 90.20 2009-07-15
    International Standard under systematic review
  • 90.60 2009-12-17
    Close of review
  • 90.92 2012-10-01
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2016-02-18
    Withdrawal of International Standard

Revised by