11-312 - National Numbering System (National Notice)

11-312 - National Numbering System (National Notice)

• National Notice 11-312 National Numbering System

  Effective Date: February 6, 2009.
  Revised: February 19, 2010.
  Revised: January 29, 2015.
  Revised: December 12, 2024.
  Revised: November 13, 2025.

  This notice sets out the system for numbering securities regulatory instruments. This revised version adds new subcategory 6 to subject matter category 2 (26-xxx – Other Requirements) and revises the title of third digit 4 (xx-4xx – CSA Consultation Paper).

  11_312_revised_national_numbering_system_november_13_2025.pdf