What are some other factors to consider concerning underwriting credits?

The public broadcasting system has concerns that go beyond matters addressed by the FCC.  These include, for example, avoiding clutter, encouraging a consistent on-air “look” for PBS programming, and generally protecting the noncommercial character of public television, which is key to maintaining the public’s trust.  How the system chooses to address these issues in underwriting guidelines is a policy issue for the PBS and individual local station Board of Directors, not a legal requirement.