# Raw TiC machine-readable files (bronze)

`s3://vlada-platform-raw/commercial_v2` · Insurer negotiated rates · status partial

Archived raw bytes of payer TiC in-network-rate files (Best Evidence Rule). Partitioned payer=<payer>/version=<version>/.

**Grain.** One object per (payer, version, reporting period) raw MRF file.

Query it: `query_substrate` with `SELECT ... FROM s3://vlada-platform-raw/commercial_v2 WHERE ... LIMIT 100`; read `describe_data_source("s3://vlada-platform-raw/commercial_v2")` first.