Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1978-12-01
    New project registered in TC/SC work programme
• 30
  Committee
  • 30.00 1984-10-01
    Committee draft (CD) registered
  • 30.20 1984-11-01
    CD study/ballot initiated
  • 30.99 1989-12-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1991-01-29
    DIS registered
  • 40.20 1991-02-28
    DIS ballot initiated: 12 weeks
  • 40.60 1991-09-01
    Close of voting
• 50
  Approval
  • 50.00 1992-04-14
    Final text received or FDIS registered for formal approval
  • 50.20 1993-02-17
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1993-02-17
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1993-04-22
    International Standard published
• 90
  Review
  • 90.20 1997-11-30
    International Standard under systematic review
  • 90.60 1998-07-15
    Close of review
  • 90.20 2002-11-15
    International Standard under systematic review
  • 90.60 2003-07-07
    Close of review
  • 90.93 2003-07-07
    International Standard confirmed
  • 90.20 2008-07-15
    International Standard under systematic review
  • 90.60 2008-12-17
    Close of review
  • 90.93 2012-06-14
    International Standard confirmed
  • 90.20 2017-04-15
    International Standard under systematic review
  • 90.60 2017-09-06
    Close of review
  • 90.93 2018-08-15
    International Standard confirmed
  • 90.20
    International Standard under systematic review
  • 90.60
    Close of review
• 95
  Withdrawal