The NN/LM Document Delivery and Interlibrary Loan Plan the Plan is fundamental to NLM's document delivery system and provides a foundation upon which the NDCO will deliver service and evaluation. The NDCO will implement the Plan with the cooperation of the RMLs, fulfilling its objectives and ensuring that all partners NLM, the NDCO, the RMLs, Resource Libraries, and all DOCLINE participants are aware of their responsibilities as outlined in the Plan and are capable of fulfilling them. NDCO will use these responsibilities as a rubric upon which to base evaluation of service. The Plan also indicates responsibilities for the NDCO that include expert knowledge of DOCLINE and ILL-related services from NLM, day-to-day support of DOCLINE users, education of DOCLINE participants, etc. This Approach will outline the methodology by which the NDCO will go about supporting the Plan, ensuring cooperation between all partners, and guaranteeing efficiency through evaluation.