Code of Civil Procedure Article 314
Where a witness is under the age of sixteen or is mentally disabled to understand the meaning and the effect of a written oath, he/she shall not be ordered to sign a written oath.The court may exempt a witness from signing a written oath if the witness is one of the following: 1.A person who may refuse to testify in accordance with the provisions of the first to the third subparagraphs inclusive of the first paragraph of Article 307, but does not do so;2.An employee or cohabitant of a party;3.A person who has direct interests in the outcome of the action.
中文原文 民事訴訟法第314條
以未滿十六歲或因精神障礙不解具結意義及其效果之人為證人者，不得令其具結。
以下列各款之人為證人者，得不令其具結：
一、有第三百零七條第一項第一款至第三款情形而不拒絕證言者。
二、當事人之受僱人或同居人。
三、就訴訟結果有直接利害關係者。
以下列各款之人為證人者，得不令其具結：
一、有第三百零七條第一項第一款至第三款情形而不拒絕證言者。
二、當事人之受僱人或同居人。
三、就訴訟結果有直接利害關係者。