Copyright transfer agreement. Copyright transfer agreement is an important document to ensure the legitimacy of papers and protect the rights and interests of authors. By signing a copyright transfer agreement, the author transfers the copyright of the paper to the periodical society, which has the right to edit, publish and distribute the paper. This can avoid copyright disputes and ensure the legitimacy and integrity of the paper. When signing the copyright transfer agreement, the author needs to read the agreement carefully to ensure that his rights and interests are protected. At the same time, the periodical press also strictly examines the agreement to ensure its legitimacy and standardization.