According to Zheng, if a CPPCC member no longer holds Chinese nationality, they should be deprived of the membership.
Zhang's nationality change has triggered public controversy, with people doubting her eligibility for membership of China's political advisory body.
The Hurun China Rich List of the nation's wealthiest individuals ranked Zhang 589th with an estimated fortune of 3.1 billion yuan (490 million U.S. dollars) in 2011.
Detective-Conan-themed Lawson convenience store opens in Shanghai