Customer Service: Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; knows about available products and services; is committed to providing quality products and services. For the GS-13 General Competencies and Minimum Proficiency Levels: Attention to Detail (Level 4, Advanced), Customer Service (Level 4, Advanced), Decision Making (Level 3, Intermediate), Information Management (Level 4, Advanced), Interpersonal Skills (Level 4, Advanced), Oral Communication (Level 3, Intermediate), Problem Solving (Level 4, Advanced), Teamwork (Level 4, Advanced), Technical Competence (Level 4, Advanced).