Information for Attorneys Roles and Responsibilities of the Attorney Attorneys are an important part of the CSS process. CSS attorneys (also referred to as IV-D attorneys) serve as advisors, advocates, negotiators, intermediaries and evaluators. Although the interests of the custodial parent are often similar to those of the CSS agency, the CSS attorney’s client is the CSS agency. Both custodial and noncustodial parents have the right to retain private counsel. NC Statutes Related to Child Support: Access the state statutes. CSS Worksheets and Guidelines: Access the worksheets and guidelines that CSS uses to calculate child support obligations. Centralized Collections Operation (NCCSCC): Federal and state laws require all child support payments be processed at one central location. Noncustodial parents and or their employers can send child support payments to the NCCSCC which processes and sends these payments to the appropriate custodial parents and payees. How to Get Help: Get answers to frequently asked questions and other information. Learn more from the federal Office of Child Support Enforcement (OCSE) about Essentials for Attorneys in Child Support Enforcement.