Enforcement Rules of the Employment Insurance Act Article 6

For an insured person who qualifies under Article 5, Paragraph 1 regulations of the Law, who does not participate in labor insurance, the insured establishment should pay his insurance premium by automatic transfer through a financial institution recognized by the, the payment to be automatically transferred at the end of the following month.
中文原文 就業保險法施行細則第6條
符合本法第五條第一項規定之被保險人,未參加勞工保險者,其保險費應由投保單位以保險人指定金融機構自動轉帳方式繳納之,自動轉帳之扣繳日期為次月底。

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