Some foreign fast-food chains, including McDonald's, KFC and Pizza Hut, were found to have violated China's labor laws because they underpay part-time workers, according to China's top trade union...The All-China Federation of Trade Unions [ACFTU] is planning to launch a campaign to investigate the infringements of employees' rights...Guangzhou newspaper New Express...said McDonald's, KFC and Pizza Hut in the capital of Guangdong province paid part-time workers up to 40 percent less than the city's minimum wage...China's legislature is expected to adapt its labor law. Under the new regulation, a work unit must sign full-time contracts with part-time employees if they have worked for at least 10 years with the company...[and] pay for insurance and pensions for part-time workers...Su Jingshi, president of the greater China operations of Yum! Brands...[said] “[T]he general public should wait for the government's decision with a calm“ and objective attitude. After the investigation is finished and a decision is made, KFC will fully follow instructions and do what the government requires the company to do in compliance with labor laws."