Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1978-06-01
    New project registered in TC/SC work programme
  • 20.20 1984-12-01
    Working draft (WD) study initiated
  • 20.99 1992-05-18
    WD approved for registration as CD
• 30
  Committee
  • 30.00 1992-05-30
    Committee draft (CD) registered
  • 30.20 1992-06-15
    CD study initiated
  • 30.99 1994-10-12
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1995-02-15
    DIS registered
  • 40.20 1995-04-13
    DIS ballot initiated: 12 weeks
  • 40.60 1995-11-09
    Close of voting
  • 40.93 1996-04-17
    Full report circulated: decision for new DIS ballot
  • 40.00 1996-07-10
    DIS registered
  • 40.20 1996-08-15
    DIS ballot initiated: 12 weeks
  • 40.60 1996-11-26
    Close of voting
• 50
  Approval
  • 50.00 1997-02-18
    Final text received or FDIS registered for formal approval
  • 50.20 1997-07-03
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1997-10-08
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1997-11-13
    International Standard published
• 90
  Review
  • 90.20 2001-11-15
    International Standard under systematic review
  • 90.60 2002-06-30
    Close of review
  • 90.92 2003-10-07
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2004-01-28
    Withdrawal of International Standard

Revised by