市町村長は、普通徴収の方法によつて徴収する個人の市町村民税について所得税の納税義務者が提出した修正申告書又は国の税務官署がした所得税の更正若しくは決定に関する書類を第三百二十五条の規定により閲覧し、その賦課した税額を変更し、又は賦課する必要を認めた場合には、すでに第三百十五条第一号ただし書若しくは第二号又は第三百十六条の規定を適用して個人の市町村民税を賦課していた場合を除くほか、直ちに変更による不足税額又は賦課されるべきであつた税額のうちその決定があつた日までの納期に係る分(以下この条において「不足税額」という。)を追徴しなければならない。
Where the mayor of a municipality, having inspected under Article 325 an amended return submitted by a person liable for income tax, or documents relating to a reassessment or determination of income tax made by a national tax office, with respect to individual municipal inhabitant tax collected by the method of ordinary collection, finds it necessary to change the amount of tax assessed or to make an assessment, the mayor must immediately additionally collect the tax deficiency resulting from the change or the portion, of the tax amount that should have been assessed, that relates to the payment periods up to the day on which the determination was made (referred to as the "tax deficiency" in this Article), except where individual municipal inhabitant tax has already been assessed by applying the proviso to item (i) of Article 315 or item (ii) of that Article, or Article 316.