The Impact Guidelines were updated 03/01/2024, 06/20/2023, 01/01/2023, 10/20/2022, 05/01/2022, 01/01/2022, and 01/01/2021.
When the Guidelines are updated, Impact is required to publish a summary or addendum of any changes. The Summary of Guideline Changes can be found here:
The complete Guidelines are available here.