Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1980-01-01
    New project registered in TC/SC work programme
  • 20.20 1982-12-01
    Working draft (WD) study initiated
• 30
  Committee
  • 30.00 1987-06-01
    Committee draft (CD) registered
  • 30.99 1988-11-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1990-09-26
    DIS registered
  • 40.20 1990-10-11
    DIS ballot initiated: 12 weeks
  • 40.60 1991-05-01
    Close of voting
  • 40.99 1992-09-23
    Full report circulated: DIS approved for registration as FDIS
• 50
  Approval
  • 50.00 1992-10-21
    Final text received or FDIS registered for formal approval
  • 50.20 1993-05-11
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1993-05-11
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1993-06-10
    International Standard published
• 90
  Review
  • 90.20 1997-11-30
    International Standard under systematic review
  • 90.60 1998-07-15
    Close of review
  • 90.92 1999-07-15
    International Standard to be revised
  • 90.20 2005-11-15
    International Standard under systematic review
  • 90.60 2006-07-15
    Close of review
  • 90.20 2010-01-15
    International Standard under systematic review
  • 90.60 2010-06-17
    Close of review
  • 90.93 2013-08-02
    International Standard confirmed
  • 90.20 2018-07-15
    International Standard under systematic review
  • 90.60 2018-12-04
    Close of review
  • 90.93 2019-04-29
    International Standard confirmed
  • 90.20 2024-04-15
    International Standard under systematic review
  • 90.60
    Close of review
• 95
  Withdrawal