About error of calculation of medical care premium for elder senior citizens

　Based on the income and taxation information of municipal tax and prefectural tax, which is the basis of calculation created by Motoichi, the Kanagawa Prefectural Elderly Medical Care Wide Area Union (wide area union) has been determined. .
　When Motoichi created income and taxation information, it was found that there was an error in how to take in some tax information, and that there was an error in the calculation of insurance premiums for 19 people in the Wide Area Union .