The purpose of this research was to contrive harmony between contribution system and other succession related system and to seek a sound interpretation for clearly and objectively defined requirements and calculating standards to realize practical equality among successors and to secure the system of protecting right which are the original legislative intention of the contribution system. It is it is by inherited property division on the successor who contributed according to him because it makes equal distribution of legal portion of legacy of the Civil Code a principle because it is not equal to a contribution ruler to divide inherited property by equal ratio either, and to have let's take into account contribution. Contribution content is formed by an assertion of a contribution successor by a conference of party or a referee of a family court and is becoming portion revised thought in mountaintop process of a concrete portion. This study presents concrete interpretive method about requirements of contribution content and attempts joint inheritance human real equality and is going to secure forecast possibility about inherited property acquisition of a contribution content right of claim ruler and legal position.

The purpose of this research was to contrive harmony between contribution system and other succession related system and to seek a sound interpretation for clearly and objectively defined requirements and calculating standards to realize practical equality among successors and to secure the system of protecting right which are the original legislative intention of the contribution system. It is it is by inherited property division on the successor who contributed according to him because it makes equal distribution of legal portion of legacy of the Civil Code a principle because it is not equal to a contribution ruler to divide inherited property by equal ratio either, and to have let's take into account contribution. Contribution content is formed by an assertion of a contribution successor by a conference of party or a referee of a family court and is becoming portion revised thought in mountaintop process of a concrete portion. This study presents concrete interpretive method about requirements of contribution content and attempts joint inheritance human real equality and is going to secure forecast possibility about inherited property acquisition of a contribution content right of claim ruler and legal position.