求翻译：法人账户透支额度的有效期限最长不超过1年（含1年），从透支协议生效之日起计算，透支额度在有效期限内可循环使用。是什么意思？

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Corporate account credit the longest duration of not more than 1 years (including 1 years), from overdraft agreement, calculated from the date of entry into force credit within the validity period can be recycled.

The legal person account overdraws the specified amount the date of expiry to be longest does not surpass for 1 year (including 1 year), from overdraws date of the agreement activation to calculate, overdraws the specified amount to be possible to circulate the use in the date of expiry.

Validity period is the longest of the corporate account overdraft limit of not more than 1 year (including 1 year), from an overdraft agreement calculated from the date of entry into force, overdraft lines within the validity period can be recycled.

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