Enforcement Act of the Administrative Litigation Act Article 2

Unless otherwise provided in this Act, the amended Administrative Litigation Act shall also apply to matters that occurred before it took effect. However, the effects of the previous Act shall not be affected.
中文原文 行政訴訟法施行法第2條
除本法別有規定外,修正行政訴訟法於其施行前發生之事項亦適用之。
但因舊法所生之效力,不因此而受影響。

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