域外形成证据指的是形成于我国大陆地区法域之外的证据,包括形成于我国领域之外的证据和形成于我国港澳台地区的证据。由于域外形成证据形成于案件管辖法院所在的法域之外,因此法域之内的法院对其真实性的判断存在权力上的障碍,故有必要对域外形成证据的证明手续进行特殊规范,以减少证明的难度和风险。但是,对于域外形成证据的证明手续及审核认定,三大诉讼法均未作出明确规 Evidence from extraterritorial areas refers to the evidence that forms outside the laws of the mainland of our country, including the evidence that forms outside our realm and the evidence that is formed in Hong Kong, Maucao and Macao regions of our country. As the formation of extraterritorial evidence is formed outside the jurisdictions where the court of jurisdiction is located, there is a power obstacle in judging the authenticity of the courts within the jurisdiction. Therefore, it is necessary to make special regulations on the formalities for proving extraterritorial evidence in order to reduce the burden of proof Difficulty and risk. However, for the formalities and verification of the formation of evidence outside the territory, none of the three major procedural laws make a clear regulation