This manual is intended to serve as a guide for public library directors and boards of trustees in meeting the requirements of Wisconsin's public librarian certification law which requires certification for administrators of public library systems, county libraries, county library services, and municipal public libraries. The manual contains the following sections: (1) Who Should Apply for Certification and When; (2) How to Apply for Certification; (3) Types of Certification Available, i.e., regular, temporary, and provisional certification; (4) Educational Equivalencies; (5) Certification Renewal, including renewal requirements, the renewal process, and continuing education activities for recertification; (6) Certification and Compliance with System Membership Requirements; and (7) Certification Appeals. Appendices include: a section of the Wisconsin Administrative Code on public libraries; historical highlights of Wisconsin public librarian certification; library board responsibilities and certification; the public librarian certification application form; the continuing education activity report form; the annual summation of continuing education activities form; and the preapproval for self-directed continuing education activity form. (MES)