Cadastral Clearance Act Article 18

The land provided in the preceding article, shall be dealt with according to the following manner:1.where the original right holders and its stock rights or investment ratio have been determined, registered as co-ownership with separate share according to the owner's equity or investment ratio.2.where the original right holders' stock rights or investment ratio are in whole or in part unknown, the original right holders or their successors shall agree on their shares for unknown portion of the land rights; where the agreement cannot be reached, the shares shall be registered as being equal.3.where the original right holders' stock rights or investment ratio are in whole or in part unknown, the land rights of the unknown part shall be dealt with according to Paragraph 1 of Article 11.Where there is the case of the proviso of Paragraph 2 of the preceding article among the original right holders, the land shall be registered as state-owned according to the proportion of the stock rights or investment of the Japanese.
中文原文 地籍清理條例第18條
前條規定之土地,依下列方式處理:
一、原權利人及其股權或出資比例已確知者,依各該原權利人之股權或出資比例登記為分別共有。
二、原權利人之股權或出資比例全部或部分不明者,原權利人或其繼承人應就不明部分之土地權利協議其應有部分,協議不成者,其應有部分登記為均等。
三、原權利人及其股權或出資比例全部或部分不明者,其不明部分之土地權利依第十一條第一項規定辦理。
原權利人中有前條第二項但書情形者,應依該日本人之股權或出資比例登記為國有。

English translation for reference only; the Chinese text prevails. Not legal advice.