Code of Civil Procedure Article 77-15

Where the principal claim is the same as the counterclaim, no court cost will be taxed on the counterclaim.No court cost shall be taxed on claims asserted in accordance either with the provision of the second paragraph of Article 395 or the second paragraph of Article 531.In cases of an amended or added claim, where the value of such amended or added claim exceeds the value of the original claim, additional court costs shall be taxed on the excess portion.