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US Federal Register - FDA Guidance Notices · United States · 16 Oct 2026 · Guidance

eCTD Version 3.2.2 and Version 4.0 validation criteria: FDA submission rejection dates

Original title: Electronic Common Technical Document; Data Standards; Center for Drug Evaluation and Research and Center for Biologics Evaluation and Research Supporting Electronic Common Technical Document Version 3.2.2 and Version 4.0

The Food and Drug Administration's (FDA or Agency) Center for Drug Evaluation and Research and Center for Biologics Evaluation and Research are announcing the date FDA will begin rejecting electronic submissions that fail new Electronic Common Technical Document (eCTD) Version 3.22 (v3.22) and Version 4.0 (v4.0) based validations. The new eCTD v3.2.2 validations are 2024 and 2025, which are high-severity validation errors as described in the Specifications for eCTD Validation Criteria. The new eCTD v4.0 validations are eCTD4-084, eCTD4-085, US-eCTD4-561, US-eCTD4-562, US-eCTD4-563, and US-eCTD4-564, which are high-severity validation errors as described in the Specifications for eCTD v4.0 Validation Criteria.