Official Document Formats Act Article 3
Official documents of government agencies, depending on their nature, shall be sealed or signed as follows:1. Agencies affix their official seals. Agency heads affix their names and official titles, as well as their personnel seals or signature seals.2. Agencies do not affix their official seals. Only agency heads affix their names and official titles, as well as their personnel seals or signature seals.3. Only agencies affix their official seals.Official documents of government agencies which are stipulated by law to be countersigned shall be countersigned by the appropriate parties.If internal units of an agency handle official affairs and are authorized to issue official documents externally, then the documents shall be affixed with the names, official titles, and personnel seals of the heads of those units, and shall have the same effect as official documents sealed with agencies' official seals.The Office of the President and the five Yuans may stipulate their own regulations for seals, signing, and authorization for official documents. Other government agencies that draft their own practical regulations shall submit those regulations to a superior authority for approval.Official documents of government agencies sent via telegraph, telex, fax, or other electronic means may be exempt from requirements to be sealed or signed.
中文原文 公文程式條例第3條
機關公文，視其性質，分別依照左列各款，蓋用印信或簽署：
一、蓋用機關印信，並由機關首長署名、蓋職章或蓋簽字章。
二、不蓋用機關印信，僅由機關首長署名，蓋職章或蓋簽字章。
三、僅蓋用機關印信。
機關公文依法應副署者，由副署人副署之。
機關內部單位處理公務，基於授權對外行文時，由該單位主管署名、蓋職章；其效力與蓋用該機關印信之公文同。
機關公文蓋用印信或簽署及授權辦法，除總統府及五院自行訂定外，由各機關依其實際業務自行擬訂，函請上級機關核定之。
機關公文以電報、電報交換、電傳文件或其他電子文件行之者，得不蓋用印信或簽署。
一、蓋用機關印信，並由機關首長署名、蓋職章或蓋簽字章。
二、不蓋用機關印信，僅由機關首長署名，蓋職章或蓋簽字章。
三、僅蓋用機關印信。
機關公文依法應副署者，由副署人副署之。
機關內部單位處理公務，基於授權對外行文時，由該單位主管署名、蓋職章；其效力與蓋用該機關印信之公文同。
機關公文蓋用印信或簽署及授權辦法，除總統府及五院自行訂定外，由各機關依其實際業務自行擬訂，函請上級機關核定之。
機關公文以電報、電報交換、電傳文件或其他電子文件行之者，得不蓋用印信或簽署。