Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
  • 30.00 1975-08-01
    Committee draft (CD) registered
  • 30.20 1979-10-01
    CD study initiated
• 40
  Enquiry
  • 40.00 1977-09-01
    DIS registered
  • 40.20 1978-07-01
    DIS ballot initiated: 12 weeks
  • 40.60 1979-02-01
    Close of voting
  • 40.92 1979-03-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1979-11-01
    DIS registered
  • 40.20 1980-02-01
    DIS ballot initiated: 12 weeks
  • 40.60 1980-07-01
    Close of voting
  • 40.92 1983-01-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1986-01-15
    DIS registered
  • 40.20 1986-07-24
    DIS ballot initiated: 12 weeks
  • 40.60 1986-11-01
    Close of voting
  • 40.92 1987-02-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1989-04-07
    DIS registered
  • 40.20 1989-04-20
    DIS ballot initiated: 12 weeks
  • 40.60 1989-08-01
    Close of voting
• 50
  Approval
  • 50.00 1990-03-07
    Final text received or FDIS registered for formal approval
  • 50.20 1990-07-20
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1990-07-20
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1990-08-30
    International Standard published
• 90
  Review
  • 90.92 1992-05-27
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 1997-02-17
    Withdrawal of International Standard

Revised by