Logging in/Registration enables the following:

• Direct access to tables that were previously created by the user (My tables)
• Saves previously downloaded subgroups (Downloaded subgroups); automatically removes old data entries that were updated after the date of download
• Adding and removing items from the list of tables

As of 25 May 2018 the Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation) comes into effect. Please familiarize yourself with information regarding the purpose of processing of personal data on Statistics Poland website: http://stat.gov.pl/rodo/