According to China Travel. Only the following conditions will be cleared:
1. After the closure or merger of enterprises with related accounts, employees are laid off or find another job, so they can't be contacted;
2, did not work in Tianjin, but the account is still hanging in the collective room of the talent agency;
3, cadres and workers with relatives posted in the unit collective room;
4. Due to work reasons or personal reasons, the whereabouts of the unit that left the original account are unknown and cannot be contacted;
5. Units that set up collective accounts fail to perform their account management duties and operate in violation of regulations;
6, college graduates have graduated for more than 2 years, but the account is still empty in the school collective account.