Previously

Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1977-01-01
    New project registered in TC/SC work programme
  • 20.20 1987-12-01
    Working draft (WD) study initiated
  • 20.60 1989-12-01
    Close of comment period
  • 20.99 1989-12-01
    WD approved for registration as CD
• 30
  Committee
  • 30.00 1989-12-01
    Committee draft (CD) registered
  • 30.20 1989-12-01
    CD study initiated
  • 30.60 1990-09-01
    Close of comment period
  • 30.92 1990-09-01
    CD referred back to Working Group
  • 30.20 1990-09-01
    CD study initiated
  • 30.60 1992-12-11
    Close of comment period
  • 30.99 1993-12-15
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1996-01-23
    DIS registered
  • 40.20 1996-02-15
    DIS ballot initiated: 12 weeks
  • 40.60 1996-08-14
    Close of voting
  • 40.99 1997-01-29
    Full report circulated: DIS approved for registration as FDIS
• 50
  Approval
  • 50.00 1997-01-29
    Final text received or FDIS registered for formal approval
  • 50.20 1997-07-10
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1997-10-14
    Close of voting. Proof returned by secretariat
  • 50.99 1997-10-15
    FDIS or proof approved for publication
• 60
  Publication
  • 60.00 1997-10-15
    International Standard under publication
  • 60.60 1997-11-06
    International Standard published
• 90
  Review
  • 90.92 1999-06-23
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2000-05-04
    Withdrawal of International Standard

Revised by