Regulations Governing Financial Statement Audit and Attestation Engagements of Certified Public Accountants Article 23

When engaged to audit the annual or second quarter financial report of a TWSE (or TPEx) primary listed company or the annual financial report of a foreign emerging stock company, CPAs may cooperate with an international CPA firm that has a cooperative relationship with a Taiwan CPA firm. The Taiwan CPAs shall be responsible for planning, guidance and supervision, and shall proceed in accordance with TWSA600, and shall not mention in the audit report the audit work of other CPAs.The major subsidiaries of a company under the preceding paragraph shall also be audited by the Taiwan CPAs, or by them in cooperation with the afore-mentioned international CPA firm, and in accordance with the preceding paragraph.The preceding two paragraphs apply mutatis mutandis to the CPA review of the interim financial reports of a TWSE (or TPEx) primary listed company or a foreign emerging stock company.