Background
First, say that the project administrator of Project A has set up a project association with Project B and shared its requirements, test cases, and incidents.
Next, say that you are currently working in Project B.
Association Types Available
You can create the following types of associations in Project B:
Test Cases can be associated with the following artifacts in Project A
Requirements can be associated with the following artifacts in Project A
Test Cases
Requirements
Incidents
Tasks can be associated with the following artifacts in Project A
Incidents can be associated with the following artifacts in Project A
Requirements
Tasks
Incidents
Requirements List Page
In addition, on the requirement list page in Project B, you can select "All Projects" in the upper right.
Then the list will display the requirements from both Project A and Project B.