Regulations on Contracted Employment of the Executive Yuan and Its Subordinate Agencies Article 7

The contract personnel of each Agency shall be employed through open selection generally. The selection mentioned above may be delegated whenever necessary to employment services institution.When each of the Agencies or the employment services institutions delegated in the preceding paragraph conduct the open selection, it shall unveil the information such as the names of the Agencies, job titles, required qualifications and monthly remunerations of the vacancies in the newspapers or on the Internet for more than three days.
中文原文 行政院與所屬中央及地方各機關約僱人員僱用辦法第7條
各機關約僱人員之僱用,以採公開甄選為原則,必要時得委託就業服務機構代為甄選。
前項各機關或受委託之就業服務機構辦理公開甄選時,應將職缺之機關名稱、職稱、所需資格條件及月支報酬等資料於報刊或網路公告三日以上。

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