Code of Civil Procedure Article 544

A declaration of rights made after the expiration of the period for declaring rights but before the entry of the judgment of abridgment of rights, shall have the same effect as one made within the period.
中文原文 民事訴訟法第544條
申報權利在期間已滿後,而在未為除權判決前者,與在期間內申報者,有同一之效力。

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