采取单独行动 meaning in Chinese

take independent action

You have authority to entrust or do not entrust other to handle property right card , but indispensible both sides carries identification and relevant document to show up ; appear in property right controversy , or go bankrupt , or when low debt , one party can take separate action explain get property right card
你有权委托或不委托他人办理产权证，但必需双方携身份证实和有关文件到场；在产权出现争议、或破产、或低债时，一方可以采取单独行动申领产权证。