This lesson on keeping business records, the 15th in a series of 18 units, is part of the first level of a comprehensive entrepreneurship curriculum entitled: A Program for Acquiring Competence in Entrepreneurship (PACE). (Designed for use with secondary students, the first level of PACE introduces students to the concepts involved in entrepreneurship and helps them become aware of entrepreneurship as a career option.) The following topics are included in the unit: the reasons for keeping business records, the elements of a sound recordkeeping system, the difference between a single-entry and a double-entry system, the uses of the checkbook in recordkeeping, suitable recording forms for accounts receivable, reconciling a bank statement, and developing a simple recordkeeping system for payroll records. Included in the lesson are instructional text organized in a question-and-answer format, individual and group activities, a case study, and assessment questions. (MN)