Insights

Field notes from the regulated side of AI.

Briefs on model risk, OSFI E-23, and governed AI systems, written for the people who have to sign their name under the answer.

2026-08-20

The E-23 model inventory is not a list of your models

OSFI's final Guideline E-23 asks for two records, not one. Reading them as a single inventory is the quickest way to build the wrong thing before May 2027.

New pieces reach subscribers first. No schedule, and nothing else in between.

Your address goes to Buttondown (our email provider) and nowhere else.