What you must do
Compliance representations must follow the version of Part 200 that governs the specific Federal award: revised standards apply once implemented by the awarding agency (generally to awards issued on or after October 1, 2024). Existing negotiated indirect cost rates remain in place until they expire; revised indirect-cost provisions apply only when a new rate is negotiated, effective for the recipient's or subrecipient's fiscal year in which the re-negotiated rate takes effect.
When it applies
Application cites Part 200 thresholds (MTDC subaward cap, de minimis rate, equipment threshold) or relies on a negotiated indirect cost rate agreement (NICRA).