{"id":"iam-sid-alphanumeric-only","text":"The `Sid` element in IAM policies only allows alphanumeric characters (`A-Z`, `a-z`, `0-9`); other AWS services may allow different character sets in their policy Sid fields.","truth_value":"IN","source":"entries/2026/03/11/IAM-latest-UserGuide-reference_policies_grammarhtml.md","source_url":"","source_hash":"0443cb7f838eca11","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"iam-sid-alphanumeric-only","truth_value":"IN","reason":"premise"}]}}