Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
• 40
  Enquiry
• 50
  Approval
  • 50.00 1978-02-01
    Final text received or FDIS registered for formal approval
  • 50.20 1978-04-01
    Proof sent to secretariat or FDIS ballot initiated: 8 weeks
  • 50.60 1978-04-01
    Close of voting. Proof returned by secretariat
• 60
  Publication
  • 60.60 1978-05-01
    International Standard published
• 90
  Review
  • 90.20 1992-11-30
    International Standard under systematic review
  • 90.60 1993-06-30
    Close of review
  • 90.20 1998-05-31
    International Standard under systematic review
  • 90.60 1998-10-31
    Close of review
  • 90.93 1999-02-05
    International Standard confirmed
  • 90.20 2003-11-25
    International Standard under systematic review
  • 90.60 2004-07-30
    Close of review
  • 90.93 2004-09-14
    International Standard confirmed
  • 90.20 2009-07-15
    International Standard under systematic review
  • 90.60 2009-12-17
    Close of review
  • 90.92 2011-07-08
    International Standard to be revised
• 95
  Withdrawal
  • 95.99 2014-01-06
    Withdrawal of International Standard

Revised by