Wu Bangguo (R), chairman of the National People's Congress (NPC) Standing Committee, shakes hands with Chui Sai On, chief executive of the Macao Special Administration Region, Feb 20, 2013. Wu will attend the celebration of the 20th anniversary of the promulgation of Macao's Basic Law. [Photo/Xinhua]

MACAO - Top legislator Wu Bangguo arrived in Macao on Wednesday for a three-day visit to mark the 20th anniversary of the promulgation of the Macao Basic Law.

Wu, who is chairman of the National People's Congress (NPC) Standing Committee, is scheduled to deliver a keynote speech, attend celebration activities and meet with Chui Sai On, chief executive of the Macao Special Administration Region.

The Macao Basic Law was promulgated on March 31, 1993 and took effect on Dec 20, 1999, when the government of the People's Republic of China resumed exercising sovereignty over Macao. It has acted as the cornerstone of the region's political and legal systems.

Wu Bangguo (L), chairman of the National People's Congress (NPC) Standing Committee, arrives in the Macao Special Administrative Region (SAR), Feb 20, 2013. [Photo/Xinhua]