Code of Civil Procedure Article 444-1
Where the notice of appeal does not specify the reason for an appeal, the presiding judge may order the appellant to submit the reason in writing within the period he/she designates.Except in cases where the appeal is dismissed in accordance with the provision of the preceding article, the court of second instance shall promptly serve upon the appellee such reason in writing.The presiding judge may order the appellee to submit an answer and the appellant to respond to appellee's answer within an appropriate period that he/she designates.Where the party fails timely to submit the pleadings ordered within the period provided in the first paragraph and the preceding paragraph, the court may order such party to explain the reason by pleadings.Where the party fails timely to submit the reason for appeal in writing in accordance with the provision of the first paragraph or fails to explain in accordance with the provision of the preceding paragraph, the court of second instance may apply the provision of Article 447 mutatis mutandis or take such fact as part of the entire import of oral argument in forming its decision.
中文原文 民事訴訟法第444-1條
上訴狀內未表明上訴理由者，審判長得定相當期間命上訴人提出理由書。
上訴人提出理由書後，除應依前條規定駁回者外，第二審法院應速將上訴理由書送達被上訴人。
審判長得定相當期間命被上訴人提出答辯狀，及命上訴人就答辯狀提出書面意見。
當事人逾第一項及前項所定期間提出書狀者，法院得命該當事人以書狀說明其理由。
當事人未依第一項提出上訴理由書或未依前項規定說明者，第二審法院得準用第四百四十七條之規定，或於判決時依全辯論意旨斟酌之。
上訴人提出理由書後，除應依前條規定駁回者外，第二審法院應速將上訴理由書送達被上訴人。
審判長得定相當期間命被上訴人提出答辯狀，及命上訴人就答辯狀提出書面意見。
當事人逾第一項及前項所定期間提出書狀者，法院得命該當事人以書狀說明其理由。
當事人未依第一項提出上訴理由書或未依前項規定說明者，第二審法院得準用第四百四十七條之規定，或於判決時依全辯論意旨斟酌之。