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• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
  • 30.00 1977-08-01
    Committee draft (CD) registered
  • 30.20 1983-12-01
    CD consultation initiated
  • 30.99 1984-12-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1980-03-01
    DIS registered
  • 40.20 1981-03-01
    DIS ballot initiated: 12 weeks
  • 40.92 1981-11-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1985-07-08
    DIS registered
  • 40.20 1985-09-12
    DIS ballot initiated: 12 weeks
  • 40.60 1985-12-01
    Close of voting
• 50
  Approval
  • 50.00 1986-07-03
    Final text received or FDIS registered for formal approval
  • 50.20 1987-05-14
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1987-05-14
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1987-08-27
    International Standard published
• 90
  Review
  • 90.20 1991-11-30
    International Standard under systematic review
  • 90.60 1992-06-30
    Close of review
  • 90.93 1992-10-02
    International Standard confirmed
  • 90.20 1996-11-15
    International Standard under systematic review
  • 90.60 1997-07-15
    Close of review
  • 90.20 2001-11-15
    International Standard under systematic review
  • 90.60 2002-07-30
    Close of review
  • 90.20 2004-08-04
    International Standard under systematic review
  • 90.60 2005-07-01
    Close of review
  • 90.93 2005-07-01
    International Standard confirmed
  • 90.20 2010-07-15
    International Standard under systematic review
  • 90.60 2010-12-17
    Close of review
  • 90.92 2011-05-24
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2011-05-27
    Withdrawal of International Standard

Revised by