Articles tagged with “xml-backbone”

eCTD Validation Errors: A Guide to Avoiding RTF

Learn the most common eCTD validation errors that cause Refuse-to-File (RTF) actions. This guide covers structural, XML, and PDF issues for successful submissio

35 min read

1/14/2026

ectd ectd validation errors regulatory submission refuse to file fda regulatory affairs xml backbone lifecycle management