日常经济交往中,因打欠条不规范而引发的纠纷时有发生。因此,了解有关打欠条、立字据的知识很有必要。一、忌空白过大内容部分与签字盖章之间空白留得太大,容易被持据人增写其他内容,或将原内容裁去,在空白处重新添加内容。二、忌大、小写不清只有小写,没有大写,小数点位置不准确,数字前头有空格,或大小写不符都容易被持据人添加数 In daily economic exchanges, the disputes arising from the irregularity of playing IOUs occur from time to time. Therefore, it is necessary to know the knowledge of playing back IOUs. First, avoid blank space Too much space between the contents of the signature and stamp left too much, easy to add by the holder to write other content, or the original content to be cut off in the blank place to re-add content. Second, avoid big and small unclear only lowercase, no uppercase, the decimal point position is not accurate, the number of spaces, or case-sensitive are easily add to the number of the holder