Fix error No. 65 / 1983 Coll.

Editorial Notice on the correction of Printer Errors 1 in Act No. 30 / 1983 Coll., on Social Security (full text of the Social Security Act, as shown by later legal amendments and supplements), in Slovak edition; 2. in Act No. 31 / 1983 Coll., on National Committees (full text, as shown for the Czech Socialist Republic from later legal amendments and additions), Slovak edition, and 3rd in the Economic Code (full text of the Economic Code as shown by later legal amendments and supplements), Czech edition