Eligibility for LUT expanded to more exporters; procedural timelines, acceptable evidence and rupee receipt rules clarified. Clarifies eligibility, form, processing timelines and related procedural matters for furnishing a Letter of Undertaking (LUT) or bond for zero-rated supplies under the GST regime. Eligibility for LUT is extended beyond manufacturers to any registered person meeting the combined remittance and threshold test, with status holders eligible regardless of remittance. LUTs must be on letterhead, processed within three working days, and self-declarations accepted unless contrary evidence exists. Acceptance of LUT for payments in Indian rupees is permissible subject to RBI guidelines; supplies to SEZs and EOUs are governed by zero-rating rules applicable to actual exporters.