Safety Standards for Protection against Ionizing Radiation Article 4

Paragraph 4.1The effective dose specified in Article 2.5.(7) may be acquired by the measurement or calculation of the sum of personal dose equivalent caused by strongly penetrating radiation and committed effective dose by intake of radionuclides.Paragraph 4.2The sum of doses received by an individual resulting from internal and external exposures is not required, if the personal dose equivalent from strongly penetrating radiation or the committed effective dose from intake of radionuclides as stated in Paragraph 4.1 does not exceed 2 mSv in a year.
中文原文 游離輻射防護安全標準第4條
第二條第五款第七目有效劑量,得以度量或計算強穿輻射產生之個人等效劑量及攝入放射性核種產生之約定有效劑量之和表示。
前項強穿輻射產生之個人等效劑量或攝入放射性核種產生之約定有效劑量於一年內不超過二毫西弗時,體外曝露及體內曝露得不必相加計算。

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