The Notary Act Article 75

If applicants are blind or illiterate, notaries shall request a witness to attend when making notarial deeds. However, applicants may waive their rights to require witnesses’ attendance. Notaries shall write down the waiver in the record.Applicants without the situations mentioned in the preceding paragraph may also request the attendance of witnesses.
中文原文 公證法第75條
請求人為視覺障礙或不識文字者,公證人作成公證書,應使見證人在場。
但經請求人放棄並記明筆錄者,不在此限。
無前項情形而經請求人請求者,亦應使見證人在場。

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