• Work cooperatively and productively together to meet agreed objectives
• Clarify objectives, expectations, requirements and agreements
• Proactively communicate and share information in a meaningful and timely manner
• Use agreed processes, procedures and engagement models
• Know and accept our responsibilities and deliver on those responsibilities
• Be flexible and prepared to consider innovative approaches to the way we do our business
• Act professionally and respectfully
• Agree that when things aren’t working we will seek to fix them

as seen here:
Public Sector IT relying on Private Sector Partners- What does it take to make it work?