obligation statement

• 责任书； 保证书

obligation statement的用法和样例：

例句

1. After you are married, you just need to send the document and both of your passports and bank statement to the Home office to appy for extension of stay of your husband.
   你自己拿者这两份文件去大使馆或领事馆，当面再签一份保证书，然后等一个星期左右可以拿到公正。