This catalog lists and describes regularly scheduled training courses offered by the National Office Training Branch of the Internal Revenue Service. It also describes other courses available to National Office employees. The purpose of the catalog is to help supervisors identify training courses that will meet their employees needs. Employees will find the catalog useful in formulating individual self-development plans. Nine training areas are covered. They are: communications skills, tax law, specialist, instructor, special programs, supervisory and managerial, secretarial and clerical, correspondence courses, and outservice training. (Author/JS)