Land Act Article 158

If, on applying for the registration of landownership, any landowner fails to declare the value of his land simultaneously, the standard land value shall be taken as the statutory value of his land.
中文原文 土地法第158條
土地所有權人聲請登記而不同時申報地價者,以標準地價為法定地價。

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