Now

• 00
  Preliminary
• 10
  Proposal
• 20
  Preparatory
• 30
  Committee
• 40
  Enquiry
• 50
  Approval
• 60
  Publication
  • 60.60 1977-12-01
    International Standard published
• 90
  Review
  • 90.93 1990-11-01
    International Standard confirmed
  • 90.20 1994-11-30
    International Standard under systematic review
  • 90.60 1995-06-30
    Close of review
  • 90.93 1995-11-16
    International Standard confirmed
  • 90.20 1999-11-25
    International Standard under systematic review
  • 90.60 2000-06-30
    Close of review
  • 90.93 2001-01-08
    International Standard confirmed
  • 90.20 2006-02-08
    International Standard under systematic review
  • 90.60 2006-09-27
    Close of review
  • 90.93 2007-09-26
    International Standard confirmed
  • 90.20 2012-07-15
    International Standard under systematic review
  • 90.60 2012-12-19
    Close of review
  • 90.93 2013-03-21
    International Standard confirmed
  • 90.20 2018-01-15
    International Standard under systematic review
  • 90.60 2018-06-06
    Close of review
  • 90.93 2018-06-07
    International Standard confirmed
  • 90.20 2023-04-15
    International Standard under systematic review
  • 90.60 2023-09-03
    Close of review
  • 90.20
    International Standard under systematic review
  • 90.60
    Close of review
  • 90.92
    International Standard to be revised
  • 90.93
    International Standard confirmed
  • 90.99
    Withdrawal of International Standard proposed by TC or SC
• 95
  Withdrawal
  • 95.99
    Withdrawal of International Standard