On February 25, the Department of information and bibliographic support held a master class on working with the Internet application of the WEB RABIS program "Kazakhstan Center for Corporate Cataloging" (KCCK). The event was attended by employees of the regional and city libraries, who received the necessary information on this topic. Librarians were offered specific directions for using this Internet application. It is expected that as a result of this event, librarians will improve their skills in mastering the WEB RABIS program.