If there has been a change to any of the matters to be registered set forth in the items of Article 44, paragraph (1) (excluding item (ii) and item (vi)), the heading-section owner or registered holder of ownership (in the case of a building for which a registration of categorization as a common element or registration of categorization as a common element of a housing complex is made, the owner) must file an application for a registration of change regarding the relevant matters to be registered within one month from the day on which the relevant change occurred.
A person who has become a heading-section owner or registered holder of ownership after there was a change to any of the matters to be registered referred to in the preceding paragraph must file an application for a registration of change regarding the relevant matters to be registered within one month from the day on which a registration of correction regarding the heading-section owner or registration of ownership was made with respect to the person.
If a registration of categorization as a common element or registration of categorization as a common element of a housing complex has been made after there was a change to any of the matters to be registered referred to in paragraph (1), the owner (excluding the persons who must file an application for registration pursuant to the provisions of the preceding two paragraphs) must file an application for a registration of change regarding the relevant matters to be registered within one month from the day on which the registration of categorization as a common element or registration of categorization as a common element of a housing complex was made.
If a person who has acquired the ownership of a building for a registration of categorization as a common element or registration of categorization as a common element of a housing complex is made after there was a change to any of the matters to be registered referred to in paragraph (1) (excluding the persons who must file an application for registration pursuant to the provisions of the preceding paragraph), the person must file an application for a registration of change regarding the relevant matters to be registered within one month from the date of the acquisition of ownership.
Where a building is a condominium unit, a registration of change regarding any of the matters to be registered set forth in Article 44, paragraph (1), item (i) (limited to the matters pertaining to a building which is a condominium unit) or items (vii) through (ix) (with regard to the matters to be registered set forth in item (ix), limited to those specified by Ministry of Justice Order; the same applies in the following paragraph and Article 53, paragraph (2)) have the effect as a registration of change made in relation to other condominium units which belong to the same single building together with the condominium unit pertaining to the relevant registration.
建物が区分建物である場合において、第四十四条第一項第一号（区分建物である建物に係るものに限る。）又は第七号から第九号までに掲げる登記事項（同号に掲げる登記事項にあっては、法務省令で定めるものに限る。次項及び第五十三条第二項において同じ。）に関する変更の登記は、当該登記に係る区分建物と同じ一棟の建物に属する他の区分建物についてされた変更の登記としての効力を有する。
In the case referred to in the preceding paragraph, if a registration of change has been made with regard to any of the matters to be registered prescribed in the same paragraph, a registrar must, by their own authority, make a registration of change regarding the matters to be registered with respect to other condominium units which belong to the relevant single building.