Grouped with offshore social groups (lí àn shètuán 离岸社团), 'nonprofits' hiding in the hills are overseas shell companies disguised as nonprofits on the mainland. After the March 2016 release of the domestic Charity Law, Ministry of Civil Affairs (MCA) launched a major campaign, exposing 644 in the first three months. This coincided with release of new charity regulations and passage of the strict Overseas NGO Management Law seeking to regulate and tighten activities of overseas groups.