When overlapping airspace designations apply to the same airspace, which rules apply?

3-1-3. Hierarchy of Overlapping Airspace Designations
a. When overlapping airspace designations apply to the same airspace, the operating rules associated with the
more restrictive airspace designation apply.
b. For the purpose of clarification:
1. Class A airspace is more restrictive than Class B, Class C, Class D, Class E, or Class G airspace;
2. Class B airspace is more restrictive than Class C, Class D, Class E, or Class G airspace;
3. Class C airspace is more restrictive than Class D, Class E, or Class G airspace;
4. Class D airspace is more restrictive than Class E or Class G airspace; and
General 3-1-1

AIM 2/20/25
5. Class E is more restrictive than Class G airspace.