Hanoi, Jan. 6 -- The Presidential Office on January 6 held a press conference to announce the State President's orders promulgating 12 laws passed at the 10th session of the 15th National Assembly. The legislation consists of the Law on Personal Income Tax; the Law on Tax Administration; the Law amending and supplementing a number of articles of the Law on Value-Added Tax; the Law on Thrift and Wastefulness Prevention; the Law on Planning; the Law on Investment; the Law on National Reserves; the Law amending and supplementing a number of articles of the Law on Public Debt Management; the Law amending and supplementing a number of articles of the Law on Statistics; the Law amending and supplementing a number of articles of the Law on Price...