For CMM level 3 it has to cover all this procedure.
1.Requirements Development
2.Technical Solution
3.Prouduct Integration
4.Verification
5.Validaton
6.Organizaton Process Focus
7.Organization Process Definition
8.Organizational Training
9.Integrated Project Management Risk Management
10.Decision Analysis and Resolution
organization should follow all these process the only to be consised under CMM level 3