- "DPPF QA System" - Rev. 1 of 24th October 2022 (current version)
- "Departments' QA System - DPPF" - Rev. 4.0 of 28th April 2022
- "Departments' QA System - DPPF" - Rev. 3.0 of 14th March 2022
- "Departments' QA System - DPPF" - Rev. 2.0 of 7th May 2018
- "Departments' QA System - DPPF" - Rev. 1 of 27th April 2017