Regulations on Cost Allotment of Common Duct Construction and Management Article 5

All participated utility agencies (or organizations) shall deposit, prior to 1st of February each year, into the special account 80 % of the allotted portion in accordance with the cost and ratio set in the preceding year. In case an insufficient amount exists upon the settlement of account in the end of the year, the concerned participated utility agencies (or organizations) shall deposit the insufficient portion prior to 1st of February the following year.
中文原文 共同管道建設及管理經費分攤辦法第5條
參與之管線事業機關(構),應於每年二月一日前,依前一年度所分攤之管理及維護費用及比例,先行提撥百分八十存入專戶支用;年度結束結算後如有不足,各參與之管線事業機關(構)應於次年二月一日前繳付不足之金額。

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