11-312 – National Numbering System (National Notice)

11-312 – National Numbering System (National Notice)

• 11-312 – National Numbering System (National Notice)

  Effective Date: February 6, 2009.
  Revised: February 19, 2010.
  Revised: January 29, 2015.
  Revised: December 12, 2024.

  This Notice adds information on the numbering of CSA coordinated blanket orders and is a revised version of CSA Staff Notice 11-312, as published on February 6, 2009 and revised on February 19, 2010 and on January 29, 2015.

  11_312_national_numbering_system_dec_12_2024.pdf