Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
  • 30.00 1980-04-01
    Committee draft (CD) registered
  • 30.99 1981-05-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1984-02-01
    DIS registered
  • 40.20 1984-05-01
    DIS ballot initiated: 12 weeks
  • 40.60 1984-12-01
    Close of voting
  • 40.92 1986-01-01
    Full report circulated: DIS referred back to TC or SC
  • 40.00 1988-12-12
    DIS registered
  • 40.20 1989-12-28
    DIS ballot initiated: 12 weeks
  • 40.60 1990-04-01
    Close of voting
  • 40.92 1990-08-15
    Full report circulated: DIS referred back to TC or SC
• 50
  Approval
  • 50.00 1990-08-15
    Final text received or FDIS registered for formal approval
  • 50.20 1991-08-16
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1991-08-16
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1991-12-16
    International Standard published
• 90
  Review
  • 90.92 1993-03-30
    International Standard to be revised
  • 90.93 1996-12-15
    International Standard confirmed
  • 90.20 2005-11-15
    International Standard under systematic review
  • 90.60 2006-05-12
    Close of review
  • 90.93 2006-05-23
    International Standard confirmed
  • 90.20 2011-04-15
    International Standard under systematic review
  • 90.60 2011-09-17
    Close of review
  • 90.93 2012-05-29
    International Standard confirmed
  • 90.20 2017-04-15
    International Standard under systematic review
  • 90.60 2017-09-06
    Close of review
  • 90.93 2018-07-09
    International Standard confirmed
  • 90.20 2023-07-15
    International Standard under systematic review
  • 90.60
    Close of review
• 95
  Withdrawal