Previously

Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1991-10-01
    New project registered in TC/SC work programme
  • 20.20 1994-10-15
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1996-11-12
    Committee draft (CD) registered
  • 30.20 1996-11-12
    CD study initiated
  • 30.99 1997-04-16
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1997-08-28
    DIS registered
  • 40.20 1997-10-09
    DIS ballot initiated: 12 weeks
  • 40.60 1998-03-30
    Close of voting
  • 40.99 1998-08-05
    Full report circulated: DIS approved for registration as FDIS
• 50
  Approval
  • 50.00 1998-09-24
    Final text received or FDIS registered for formal approval
  • 50.20 1999-02-04
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1999-05-10
    Close of voting. Proof returned by secretariat
  • 50.99 1999-05-11
    FDIS or proof approved for publication
• 60
  Publication
  • 60.00 1999-05-11
    International Standard under publication
  • 60.60 1999-07-08
    International Standard published
• 90
  Review
  • 90.20 2004-01-05
    International Standard under systematic review
  • 90.60 2004-07-22
    Close of review
  • 90.93 2004-07-22
    International Standard confirmed
  • 90.20 2009-07-15
    International Standard under systematic review
  • 90.60 2009-12-17
    Close of review
  • 90.93 2010-02-17
    International Standard confirmed
  • 90.20 2015-01-15
    International Standard under systematic review
  • 90.60 2015-06-17
    Close of review
  • 90.20 2020-04-15
    International Standard under systematic review
  • 90.60 2020-09-03
    Close of review
  • 90.93 2020-09-30
    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