Conclusion of Treaties Act Article 13
The original copies of treaties and agreements shall be written in both Chinese and the official language of the other signatory, with each version being equally authentic. If necessary, a third version of the text written in the language of a third country may be added if both signatories agree. The third version shall govern should discrepancies in interpretation arise.For original copies of treaties or agreements that are specialized or technical in content, signatories may agree to use only a specific common international language.
中文原文 條約締結法第13條
條約或協定之約本，應同時以中文及締約對方之官方文字作成，各種文本同等作準為原則。
必要時，得附加雙方同意之第三國文字作成之約本，並得約定於條約或協定之解釋發生歧異時，以第三國文字之文本為準。
專門性或技術性之條約或協定約本，得約定僅使用特定國際通用文字作成。
必要時，得附加雙方同意之第三國文字作成之約本，並得約定於條約或協定之解釋發生歧異時，以第三國文字之文本為準。
專門性或技術性之條約或協定約本，得約定僅使用特定國際通用文字作成。