Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1987-11-01
    New project registered in TC/SC work programme
  • 20.20 1989-12-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1991-06-01
    Committee draft (CD) registered
  • 30.20 1992-01-07
    CD study initiated
  • 30.60 1992-01-07
    Close of comment period
  • 30.99 1995-10-25
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1996-06-24
    DIS registered
  • 40.20 1996-08-01
    DIS ballot initiated: 12 weeks
  • 40.60 1997-02-07
    Close of voting
• 50
  Approval
  • 50.00 1997-06-20
    Final text received or FDIS registered for formal approval
  • 50.20 1997-10-30
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1998-02-12
    Close of voting. Proof returned by secretariat
  • 50.99 1998-02-17
    FDIS or proof approved for publication
• 60
  Publication
  • 60.00 1998-02-17
    International Standard under publication
  • 60.60 1998-04-02
    International Standard published
• 90
  Review
  • 90.20 2002-11-15
    International Standard under systematic review
  • 90.60 2003-07-30
    Close of review
  • 90.93 2004-10-05
    International Standard confirmed
  • 90.20 2009-10-15
    International Standard under systematic review
  • 90.60 2010-03-17
    Close of review
  • 90.93 2010-03-25
    International Standard confirmed
  • 90.20 2015-01-15
    International Standard under systematic review
  • 90.60 2015-06-17
    Close of review
  • 90.93 2016-07-28
    International Standard confirmed
  • 90.20 2021-07-15
    International Standard under systematic review
  • 90.60 2021-12-03
    Close of review
  • 90.93 2022-09-16
    International Standard confirmed
  • 90.20
    International Standard under systematic review
  • 90.60
    Close of review
  • 90.99
    Withdrawal of International Standard proposed by TC or SC
• 95
  Withdrawal
  • 95.99
    Withdrawal of International Standard