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Every endpoint that takes or returns a scheme uses one of exactly two values.

The scheme enum

Both issue duty credit scrips: transferable credits that pay basic customs duty at face value. Credits transfer whole, carry a validity window, and are extinguished on utilisation.

Practical differences for a trading desk

  • Liquidity. RODTEP is the broader scheme and the deeper market; ROSCTL flow is concentrated in textile exporters.
  • Pricing. Each scheme is priced independently; always read GET /v1/market/{scheme} per scheme rather than assuming parity.

Primary sources

  • DGFT, scheme notifications and rates.
  • CBIC, customs duty rules the credits settle against.