Implemented in 2008, the Lobbying Act has affected advocate actions of nonprofit organizations and caused for attention. Nonprofit organizations argue the requirements of the act would increase considerable costs for organizations working for public interest. This study interviewed decision-makers from 11 small nonprofit organizations who have and have not file applications on lobbying according the law. In addition to the costs came from the new law that may pose pressure on small organizations, this study find the decision-makers of nonprofit organizations perceived legal barriers regarding political lobbying behaviors. Their perceived legal barriers of nonprofit organizations would impact the advocacy actions of the nonprofit organizations. Implications to research and practices are also discussed.