Code of Civil Procedure Article 436-15
The parties may amend the claim, raise an additional claim or a counterclaim only to the extent permitted by the first paragraph of Article 436-8, except where the parties have agreed on a continued application of a Small-Claim Proceeding and the court also considers it appropriate to do so.
中文原文 民事訴訟法第436-15條
當事人為訴之變更、追加或提起反訴，除當事人合意繼續適用小額程序並經法院認為適當者外，僅得於第四百三十六條之八第一項之範圍內為之。