Statute Governing Refrigeration and Air Conditioning Enterprises Article 10

After a refrigeration and air conditioning enterprise's permit application passes the review of the competent authority, the authority shall issue a registration certificate to the enterprise, publish its registration particulars, and give a notice thereof to a refrigeration and air conditioning engineering association.A refrigeration and air conditioning enterprise registration certificate shall be valid for a period of five years. Three months prior to the expiration of its registration certificate, a refrigeration and air conditioning enterprise shall apply to the competent authority for renewal of its registration as well as issuance of a new registration certificate. If no application for renewal is filed or the renewal application is not approved, the original registration certificate shall become invalid upon the expiration of the registration term.The items subject to review for renewal application under the preceding Paragraph are the matters set forth in the application documents as well as proof that taxes have been paid for the most recent period.
中文原文 冷凍空調業管理條例第10條
冷凍空調業申請許可經審查合格後,主管機關應發給登記證書,將許可登記事項公告,並通知冷凍空調工程工業同業公會。
冷凍空調業登記證書有效期限為五年,冷凍空調業者應於期限屆滿前三個月,向主管機關申請展延,並換領登記證書;逾期未申請展延或展延審查不合格者,原登記證書於登記期限屆滿時,失其效力。
前項展延審查項目為申請書表所載事項及最近一期完稅證明。

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