The period of validity of the agreement has expired.
本协议的有效期已过。
The period of validity is one year.
此卡有效期为一年。
What is the period of validity of this L/C?
这张信用证的有效期是多久？
What is the period of validity of the letter of credit?
信用证的有效期是多长时间？
Its period of validity should be available for six months at least.
护照的有效使用期至少为六个月。
The period of validity for each renewal of registration shall be ten years.
每次续展注册的有效期为十年。
Period of validity: Three years.
有效期：三年。
Period of validity: Three years.
有效期：三年。
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