A seminar was held on Thursday, 1 March 2018 in Pardubice for users of the L-BIS, LBIS/4G and R-PLAN systems who ordered the methodology “Personal data processing in the L-BIS, LBIS/4G and R-PLAN information systems”. This methodological instruction offers comprehensive resolution of the issue of personal data processing in these systems in compliance with the GDPR. The methodology was elaborated in cooperation with specialists from the largest law office in the Czech Republic HAVEL & PARTNERS s.r.o. who also participated in the seminar. The people who participated in the seminar rated the professional level of the individual lectures, the content of the methodology itself and also resolution of the GDPR in the L-BIS, LBIS/4G and R-PLAN systems in a very positive light.