GovTribe

Effective change attribute

The change associated with when a regulation section's text took or takes effect, such as a Federal Acquisition Circular or a class deviation.

The value names the change, such as FAC 2026-01, a DFARS publication notice, a GSAM change, or a class deviation such as GSAR Class Deviation RGO-2026-01. Pair it with effective_date to say when the text took or takes effect.