Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1985-10-01
    New project registered in TC/SC work programme
  • 20.20 1986-01-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1986-01-01
    Committee draft (CD) registered
  • 30.99 1986-06-20
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1986-06-20
    DIS registered
  • 40.20 1986-07-10
    DIS ballot initiated: 12 weeks
  • 40.60 1987-01-01
    Close of voting
  • 40.92 1988-02-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1989-04-01
    DIS registered
  • 40.92 1989-04-07
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1989-04-24
    DIS registered
  • 40.20 1989-05-18
    DIS ballot initiated: 12 weeks
  • 40.60 1989-09-01
    Close of voting
• 50
  Approval
  • 50.00 1990-05-16
    Final text received or FDIS registered for formal approval
  • 50.20 1990-07-31
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1990-07-31
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1990-09-13
    International Standard published
• 90
  Review
• 95
  Withdrawal
  • 95.99 1995-07-27
    Withdrawal of International Standard