{"id":"s3-directory-bucket-requires-az-id-not-name","text":"When creating an S3 directory bucket (Express One Zone), you must specify the Availability Zone ID (e.g., `use1-az4`), not the AZ name (e.g., `us-east-1a`).","truth_value":"IN","source":"entries/2026/03/11/AmazonS3-latest-userguide-s3-express-Endpointshtml.md","source_url":"","source_hash":"b2dc79320c12b757","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"s3-directory-bucket-requires-az-id-not-name","truth_value":"IN","reason":"premise"}]}}