When paying social security, the handling area must be filled in. If you don't know, you can check it. Just fill in the blanks. If the authorized person and the authorized person are not in the same overall planning area, you need to bring materials to the medical insurance handling window under the jurisdiction of the authorized person for reimbursement. The master planning area is also called the master planning unit. In principle, administrative regions above the prefecture level (including prefectures, cities, prefectures and leagues) are defined as the overall planning units, and counties (cities) with a certain population can also be used as the overall planning units. All units and employees should participate in the basic Yi treatment insurance in the overall planning area according to the principle of territoriality, implement a unified policy, and uniformly raise, manage and use the basic Yi treatment insurance fund. Successful social security certification shows that the handling and coordinating area cannot be empty, which means that you must fill in the handling and coordinating area when paying social security. If you don't know, you can look it up and fill in the blanks. If the authorized person and the authorized person are not in the same overall planning area, you need to bring materials to the medical insurance handling window under the jurisdiction of the authorized person for reimbursement. The master planning area is also called the master planning unit. In principle, administrative regions above the prefecture level (including prefectures, cities, prefectures and leagues) are defined as the overall planning units, and counties (cities) with a certain population can also be used as the overall planning units. All units and employees should participate in the basic Yi treatment insurance in the overall planning area according to the principle of territoriality, implement a unified policy, and uniformly raise, manage and use the basic Yi treatment insurance fund.