Negotiable Instruments Act Article 92

If a person is prevented from sending notice within the time limit set forth in Article 89 by circumstances beyond their control, they shall send it within 4 days after the extraordinary circumstance causing the delay ceases to exist.If the person proves that they have sent notice within the time limit set forth in Article 89, they are considered to have complied with the time limit for notice.
中文原文 票據法第92條
因不可抗力,不能於第八十九條所定期限內將通知發出者,應於障礙中止後,四日內行之。
證明於第八十九條所定期間內已將通知發出者,認為遵守通知期限。

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