 Han's visa only allowed him to work under SBS and KBS, while Zhang's allowed her to work only with SBS and MBC, which is why she only performed on the two stages at the time of her debut.On August 1, 2008, the South Korean government's law of restrictions on foreigners were lifted, and foreign entertainers are now allowed to perform in every station in the country.However, Zhang was unable to perform on MBC due to the channel's conflict with S.M.