# Appendix D: Background/Supplementary Documentation (non-normative)

This appendix supplies background/supplementary documentation from working groups and task forces for interested readers, including but not limited to object plans, business/use cases, test plans, test results, background and best practice documentation. Last modified dates are included in parentheses.

- errata.pdf (5/28/2025)
- InfrastructureDelta3_7.pdf (10/2/2024)
- OpenAPI.zip (5/28/2025)
- PESCJSON.pdf (1/3/2023)
- scripts.zip (5/28/2025)