In pursuance of the President from 23.02.2011, N PP-1487, in the National Library of Uzbekistan named after Alisher Navoi established a national center electronic union catalog. In subordinate Uzbek agency of communication and information structures, information and library centers in the Republic of Karakalpakstan, regional and Tashkent established sectors of the electronic union catalog numbering 2 units in each within the budget allocations for their content.