| ID | Course Name | Duration | Start Date |
|---|---|---|---|
| ISST.REFRESH-2816 | ISST Refresher Course (Willowbrook, IL, USA) | 2 days | October 10, 2022 |
| ISST.REFRESH-3280 | ISST Refresher Course (Riga, Latvia) | 2 days | February 18, 2023 |
| ISST.REFRESH-3285 | ISST Refresher Course (Iasi, Romania) | 2 days | March 25, 2023 |
| ISST.REFRESH-3299 | ISST Refresher Course (Willowbrook, IL, USA) | 2 days | July 10, 2023 |