Deposit Insurance Act Article 15

Insured institutions shall report the total amount of liabilities over the underlying deposits and assessment base to CDIC and make payment of insurance premium within one month of the standard dates mentioned in the preceding Article; the payment methods shall be decided by the CDIC.
中文原文 存款保險條例第15條
要保機構,應於前條之基準日起一個月內,向存保公司提出基準日存款標的之負債總額及保險費基數,並繳納應付之保險費金額;其繳付方式,由存保公司定之。

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