The contractual insurance of joint defense for public security not only adds new content to rural social provision, but also provides a new way for social security.
“契约式治安联防保险”不仅赋予了农村社会保障工作新内容，而且为社会治安拓展了思路。
2
Therefor, according to TIC and contractual specifications, they need to add this provision to the letter of credit.