Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
  • 20.00 1988-09-01
    New project registered in TC/SC work programme
• 30
  Committee
  • 30.00 1988-10-01
    Committee draft (CD) registered
  • 30.20 1988-11-01
    CD study initiated
  • 30.99 1989-03-01
    CD approved for registration as DIS
• 40
  Enquiry
  • 40.00 1989-07-31
    DIS registered
  • 40.20 1989-12-14
    DIS ballot initiated: 12 weeks
  • 40.60 1990-06-01
    Close of voting
• 50
  Approval
  • 50.00 1991-01-02
    Final text received or FDIS registered for formal approval
  • 50.20 1991-05-17
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1991-05-17
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1991-06-20
    International Standard published
• 90
  Review
  • 90.20 1995-11-30
    International Standard under systematic review
  • 90.60 1996-06-30
    Close of review
  • 90.92 1997-10-02
    International Standard to be revised
  • 90.93 2003-02-06
    International Standard confirmed
  • 90.20 2003-02-06
    International Standard under systematic review
  • 90.60 2004-06-03
    Close of review
  • 90.93 2004-10-21
    International Standard confirmed
  • 90.20 2009-10-15
    International Standard under systematic review
  • 90.60 2010-03-17
    Close of review
  • 90.93 2011-09-08
    International Standard confirmed
  • 90.20 2016-07-15
    International Standard under systematic review
  • 90.60 2016-12-07
    Close of review
  • 90.92 2017-03-23
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2017-10-25
    Withdrawal of International Standard

Revised by