Rule: `banner` landmark: restrictions

Rule ID	Landmark 9
Conformance	Required
Definition	The `banner` landmark must only contain `navigation`, `region` or `search` landmarks.
Purpose	Ensuring that the landmark structure of a page is not overly complex enables users of assistive technologies to more easily find and navigate to the desired content.
Conformance	Required
WCAG Success Criteria	Success Criterion 1.3.1 Info and Relationships Other Related Success Criterion: Success Criterion 2.4.1 Bypass Blocks Success Criterion 2.4.6 Headings and Labels Success Criterion 2.4.10 Section Headings
Rule Category	Landmarks
Rule Scope	Element
Techniques	If landmarks are needed within a `banner` landmark, use only `navigation`, `region` or `search`.
Information Links	Accessible Rich Internet Applications (WAI-ARIA) 1.2 Specification: banner role HTML: The HEADER element HTML: Sections WAI-ARIA Authoring Practices 1.2: Landmarks WAI-ARIA Authoring Practices 1.2: Landmark Example W3C Web Accessibility Tutorials: Page Structure Accessible Rich Internet Applications (WAI-ARIA) 1.2 Specification: Landmark Roles

Rule: banner landmark: restrictions