{"id":"backup-cold-storage-90-day-minimum-immutable","text":"AWS Backup cold storage has a minimum retention of 90 days, which cannot be changed after transition; the total retention period must exceed the cold storage transition value by more than 90 days.","truth_value":"IN","source":"entries/2026/03/12/aws-backup-latest-devguide-cross-region-backuphtml.md","source_url":"","source_hash":"87da961872b2c0c5","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"backup-cold-storage-90-day-minimum-immutable","truth_value":"IN","reason":"premise"}]}}