中華人民共和國香港特別行政區基本法
In the preparatory period for the transfer of sovereignty of Hong Kong and establishment of the Special Administrative Region (SAR), Wu was member of the Hong Kong Basic Law Drafting Committee and Hong Kong Basic Law Consultative Committee which were responsible for Hong Kong's mini-constitution in the Chinese rule after 1997. He was also the member of the Preparatory Committee for the HKSAR.