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Directive 001

Requirements for Site-Specific Liability Assessments

Release Date
Effective Date

Replaces the previous edition released on June 6, 2012.
Released with Bulletin 2023-27
See section 1.3 of the directive for what’s new.

Purpose of this Directive

This directive sets out the requirements for site-specific liability assessments. These requirements are to be applied for all liability management programs administered by the AER. This directive also contains specific requirements for site-specific liability assessments acceptable for the Large Facility Liability Management Program.

The approach and documentation specified in this directive are introduced to improve the consistency and accuracy of liability cost estimates submitted to the AER. They do not modify requirements concerning how suspension, abandonment, and reclamation activities are to be conducted.

Forms and Attachments