Customer Connection is the main call center for the Mecklenburg County Department of Social Services. Learn how to write an effective character reference letter for a friend using these steps, our template and examples.A person should omit or redact nonpublic and unneeded sensitive information in a document before filing it with the court. 10. Confidentiality. These tips will assist you in submi ing a complete referral that will allow Crisis Assistance Ministry to provide speedy and dignified customer service.