Management services organizations (MSOs) have been around for decades serving a multitude of purposes in health care. MSOs colloquially have been referred to by health care attorneys as the duct tape for health care business arrangements. They can fix many problems with a health care deal. When implemented correctly, an MSO can be a successful vehicle for several different models, arrangements and reasons. However, if implemented incorrectly, an MSO can lead to regulatory scrutiny and risk, given the highly regulated health care industry. This panel will address the differing uses that MSOs play in health care arrangements from business and legal perspectives.