Cayman Islands economic substance reporting: Key deadlines and updates
05 Dec 2024
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On 25 November 2025, the Cayman Islands Department for International Tax Cooperation (DITC) reminded stakeholders that Economic Substance (ES) Returns and TRO Forms for entities with a financial year ending 31 December 2023 are due by 31 December 2024.
Updates to ES Notification (ESN) and ES Return (ESR)
Enhancements to the ESN and ESR aim to streamline reporting, particularly for partnerships and improve data accuracy.
Key changes to the ESN
- Financial year start and end dates are now mandatory
- Partnerships must provide details for at least one General Partner
Key changes to the ESR
- Partnerships conducting relevant activities must confirm if their General Partner’s income derives solely from the entity's relevant income
Revising ESNs after submission
- ESNs can be edited via the Registry’s CAP system within 12 months of submission
- After 12 months, updates must be made through an ESR in the DITC Portal, requiring an explanation and supporting documents, such as financial statements
Resources for reporting
Updated guidance is available in the ESN User Guide, DITC Portal User Guide, and ES Practice Points.
The DITC bulletin can be found here.
