THE PURPOSE OF THIS MANUAL IS TO INTRODUCE THE YSIS TO THE YOUTH SERVICE MANAGER CONSIDERING THE DESIGN OR ADOPTION OF A CLIENT RECORD, TRACKING, AND MANAGEMENT INFORMATION SYSTEM. THE YSIS IS DESIGNED TO MEET THE FOLLOWING OBJECTIVES: (1) COLLECT AND MAINTAIN CLIENT-SPECIFIC, PROBLEM-ORIENTED AND MANAGEMENT-RELATED INFORMATION AT THE POINTS OF CLIENT CONTACT, CASE OPENING, SERVICE PLANNING AND DELIVERY, CASE CLOSING, AND FOLLOWUP; (2) TRACK CLIENT MOVEMENT ALONG THE SERVICE DELIVERY PATHWAY; (3) PROVIDE STANDARD PROCEDURES FOR RECORDING THE CLIENT'S PROBLEM LIST AND THE PLAN OF SERVICE; (4) PROVIDE STANDARD PROCEDURES FOR TRACKING AND REPORTING FOLLOW-THROUGH CONTACTS AFTER CASE CLOSING; (5) PROVIDE A SYSTEM OF HUMAN ACCOUNTING WHICH PERMITS AGGREGATION INTO CLIENT GROUPS, TARGET POPULATIONS, SERVICE POPULATIONS, AND GOAL POPULATIONS IN ORDER TO ALLOW FOR SERVICE OUTCOMES EVALUATON; AND (6) INCLUDE THE NECESSARY DATA COLLECTION PROCEDURES TO PERMIT AN INTERFACE WITH A POTENTIAL COST ACCOUNTING SYSTEM. AN OVERVIEW AND GENERAL DESCRIPTION OF THE YSIS IS PROVIDED, INCLUDING ITS BASIC FORMS AND REPORTS. BASIC CASE MANAGEMENT PROCEDURES ARE PRESENTED FOR HANDLING A CLIENT, COLLECTING DATA, AND DELIVERING SERVICES. AN OUTLINE IS ALSO PROVIDED ON HOW TO MANUALLY MAINTAIN THE DATA COLLECTED BY THE SYSTEM AND HOW TO GENERATE TRACKING AND MANAGEMENT REPORTS FOR USE BY CASE MANAGERS AND ADMINISTRATORS. FLOWCHARTS ARE INCLUDED. (KBL)