All 4,700 PLA soldiers based in Hong Kong have been issued with books on the Garrison Law and their expected behaviour, their commander Major-General Liu Zhenwu said yesterday. General Liu said mainland legal experts had been appointed to lecture troops on the Basic Law, Garrison Law and local legislation. Many of the soldiers took lessons in English and Cantonese before arriving and similar classes are being arranged in Hong Kong. General Liu formally introduced the troops to Tung Chee-hwa and SAR principal officials at the Stonecutters Island naval base. About 500 troops from air, naval and land forces lined up to applaud the arrival of the SAR Government delegation, which included Chief Secretary for Administration Anson Chan Fang On-sang. The troops were presented with a souvenir flag carrying the words 'power and strict discipline' by the Chief Executive. He was given a commemorative plaque featuring rows of soldiers in front of the Central skyline. Mr Tung said he would seek central government approval before asking the PLA for help in natural disasters or internal security.