This link describes the Partner competency requirements:
Six unique MCPs are required who must between them must have passed all of the following exams:
Exam MB2-631: Microsoft Dynamics CRM 4.0 Customization and Configuration
Exam MB2-632: Microsoft Dynamics CRM 4.0 Applications
Not sure if these people can be the same as the unique MCPs and whether the assessments have to be passed by unique people.
- Three people have passed Implementation Methodology Assessment
- Two people who have passed a sales assessment.
- One person who has passed a presales assessment.