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• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
  • 30.00 1983-12-01
    Committee draft (CD) registered
  • 30.20 1988-02-01
    CD consultation initiated
  • 30.99 1988-05-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1989-02-20
    DIS registered
  • 40.20 1989-08-31
    DIS ballot initiated: 12 weeks
  • 40.60 1990-04-01
    Close of voting
• 50
  Approval
  • 50.00 1991-02-12
    Final text received or FDIS registered for formal approval
  • 50.20 1991-06-26
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1991-06-26
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1991-10-03
    International Standard published
• 90
  Review
  • 90.20 1995-11-30
    International Standard under systematic review
  • 90.60 1996-06-30
    Close of review
  • 90.93 1996-11-26
    International Standard confirmed
  • 90.20 2000-11-25
    International Standard under systematic review
  • 90.60 2001-01-08
    Close of review
  • 90.92 2001-01-08
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2004-08-16
    Withdrawal of International Standard

Revised by