Masako Wakamiya learned programming skills and developed a smartphone game app after she was over 80 years old. She was praised by Apple CEO Tim Cook as the ``world's oldest programmer'' Final tax returns will be accepted from February 16th to March 15th, and the National Tax Agency is urging people to use ``e-Tax'' as much as possible to prevent infection.
The online filing process can also be used from smartphones, and if the user and workplace meet certain conditions, data from salary withholding slips will be automatically reflected.