Optometric Personnel Act Article 30
The establishment of a national federation of optician associations shall be initiated by at least one third of the municipal and county (city) optician associations.
中文原文 驗光人員法第30條
驗光師公會全國聯合會之設立，應由三分之一以上之直轄市、縣（市）驗光師公會完成組織後，始得發起組織。