It is recommended to first contact the radio monitoring center in Guangxi that requires a designated location, and confirm the specific procedures. The usual practice is to deregister the call sign in Guangdong, and then reapply for the call sign within one year of its de-registration, typically with priority allocation of the previously used call sign. Due to recent system updates in Guangxi, it is best to phone the radio monitoring center in Guangxi that requires a designated location to confirm the specific procedures. Since both Guangxi and Guangdong are part of Region 7, there should be no major issues.