Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
  • 30.00 1977-02-01
    Committee draft (CD) registered
  • 30.99 1981-12-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1983-09-01
    DIS registered
  • 40.20 1984-08-01
    DIS ballot initiated: 12 weeks
  • 40.60 1985-02-01
    Close of voting
  • 40.92 1986-03-01
    Full report circulated: DIS referred back to TC or SC
  • 40.92 1988-03-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1990-03-07
    DIS registered
  • 40.20 1990-09-13
    DIS ballot initiated: 12 weeks
  • 40.60 1991-01-01
    Close of voting
• 50
  Approval
  • 50.00 1992-09-24
    Final text received or FDIS registered for formal approval
  • 50.20 1993-03-31
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1993-03-31
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1993-06-17
    International Standard published
• 90
  Review
  • 90.92 1997-06-11
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2004-01-20
    Withdrawal of International Standard

Revised by