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Understanding Standard Names and Numbers

Most standards follow a similar number format.


ABC D123.56-07

  • ABC is the organization that developed the standard
  • D is a broad subject category (not always present)
  • 123.56 is a document/standard number
  • 07 indicates the standard was approved in 2007


CSA B44.2-10

  • Canadian Standards Association (CSA) standard
  • B44.2 (covering maintenance of elevators and similar devices)
  • Edition issued in 2010.

You might also see:

ABC D123.56-95 R07 where the 1995 standard was reviewed in 2007 and determined that no changes were needed.