The May 2026 Customs Overhaul: Decoding the BCD, SWS, and CEPA Interventions

On May 12, 2026, the Central Board of Indirect Taxes and Customs (CBIC) released a critical cluster of four interconnected notifications – Notifications 15/2026 to 18/2026-Customs.

For major importers and supply chain directors, these are not isolated updates. They represent a comprehensive restructuring of the import tax architecture. When the government modifies baseline duties, it triggers a domino effect requiring immediate adjustments to surcharges, trade agreement rates, and export promotion exemptions.

Failing to map these interconnected changes immediately can lead to miscalculated landed costs, stalled customs clearances, or missed preferential duty benefits. Here is a strategic breakdown of how these four notifications alter your import compliance matrix.

List of May 2026 Customs Notifications

1. The Core Baseline: BCD Revisions (Notification No. 15/2026-Customs)

• The Update: Amends notification No. 45/2025-Customs to notify Basic Customs Duty (BCD) related changes. Specifically, the government has officially hiked the BCD on precious metal imports – such as precious metal waste, ash, and sweepings – to 10%.
  
• The Strategic Impact: This is the anchor notification. BCD is the primary tariff applied to imported goods. Importers must immediately check their specific HSN codes against the revised tariff to ensure their ERP systems are calculating the correct base duty.

2. Recalibrating the Cesses: SWS & AIDC (Notification No. 16/2026-Customs)

• The Update: Amends the 2018 and 2021 master notifications to revise the Social Welfare Surcharge (SWS) and Agriculture Infrastructure and Development Cess (AIDC). Crucially, this applies a 5% AIDC on gold and silver, and codifies effective rates for findings (e.g., 5% for Gold/Silver findings, 5.4% for Platinum).
  
• The Strategic Impact: SWS and AIDC are calculated as a percentage of the aggregate customs duties. Because of the combined changes in Notifications 15 and 16, the new effective import duty on gold and silver has officially increased to 15%. You cannot assess your new landed cost by looking at the BCD alone; these surcharge adjustments must be factored into the final computation.

3. Sector-Specific Exemptions: Precious Metals (Notification No. 17/2026-Customs)

• The Update: Amends Notification No. 57/2000-Customs to revise the concessional rates for gold, silver, and platinum imported under specified export promotion schemes. Under this amendment, the applicable concessional customs duty rate has been sharply increased from the existing 4.35% to 10%.
  
• The Strategic Impact: The gems and jewelry export sector operates on incredibly thin margins. Instead of completely insulating exporters, the government has aligned the concessional rates with the broader tax hike. Exporters utilizing these schemes must immediately recalculate their working capital requirements, as their upfront duty burden has more than doubled.

4. Maintaining Trade Margins: India-UAE CEPA (Notification No. 18/2026-Customs)

• The Update: Amends notification No. 22/2022-Customs to revise rates under the India-UAE Comprehensive Economic Partnership Agreement (CEPA). Specifically, it revises the preferential tariff entries for specified precious metal imports under Table III (Sl. No. 12), officially substituting the rates in column 5 with “10” and column 6 with “4”.
  
• The Strategic Impact: Free Trade Agreements operate on rigid tariff differentials. Because the baseline BCD changed to 10%, the CEPA rate had to be legally amended to modify the concessional import framework. Importers routing supply chains through Dubai must immediately engage their customs brokers to recalculate their Tariff Rate Quota (TRQ) benefits under these new column entries.

The CFO’s Action Plan: Re-Evaluate Your Landed Costs These notifications cannot be read in isolation. An adjustment in BCD changes your SWS liability, which in turn alters your integrated tax burden. Importers must immediately:

1. Audit HSN Classifications: Cross-reference your top imported SKUs against Notifications 15 and 16 to recalculate your total duty footprint.
2. Review FTA Utilization: Ensure procurement teams relying on the UAE-CEPA factor in the new rates from Notification 18.
3. Update Broker Instructions: Ensure your clearing agents are applying the updated May 12th provisions to prevent costly reassessments or show-cause notices.

Decoding interconnected tariff notifications requires precision. A minor misinterpretation can trap millions in working capital or lead to severe compliance penalties. At Mundhra Consulting Services LLP, our Tax & Regulatory Advisory team helps businesses map these complex regulatory changes directly to their specific supply chains, ensuring optimized landed costs and frictionless clearances.

Also see: CBIC Custom Exchange Rate Live Notifications