Later in 709, Zong was made Zhongshu Ling (中書令, the new title for the head of the legislative bureau, now renamed Zhongshu Sheng (中書省)).
In 710, a low level official, Yan Qinrong (燕欽融) submitted an accusation to Emperor Zhongzong, stating that Empress Wei was committing adultery and that Li Guo'er, her second husband Wu Yanxiu (武延秀, also a nephew of Wu Zetian), and Zong were about to harm the imperial clan.