Non-deduction of tax at source for specified IFSC payments depends on declaration, registration, and limited tax-year opt-in conditions. Non-deduction of tax at source is notified for specified payments made to IFSC Units under the Income-tax Act, 2025, including interest, professional fees, referral fees, brokerage, commission, insurance commission, dividend income, advisory fees, distribution fees, trusteeship fee, credit rating fee, investment banker fee, technical fee and commission income. The benefit applies only to designated IFSC entities that satisfy the relevant IFSCA regulatory definitions, registration requirements and service conditions, and is available only on furnishing Form No. 1(N) to the payer for the opted consecutive tax years.