7.1.2.2.1 已翻譯對應原文版本：2.3.0

交互認證之下屬憑證機構（Cross-Certified Subordinate CA）之有效期

Cross-Certified Subordinate CA Validity

Field Minimum Maximum
notBefore The earlier of one day prior to the time of signing or the earliest notBefore date of the existing CA Certificate(s) The time of signing
notAfter The time of signing Unspecified

Field	Minimum	Maximum
`notBefore`	The earlier of one day prior to the time of signing or the earliest `notBefore` date of the existing CA Certificate(s)	The time of signing
`notAfter`	The time of signing	Unspecified

欄位	最小值	最大值
`notBefore`	簽章時間前 1 日或既有 CA 憑證之最早 `notBefore` 日期，兩者取較早者。	簽章時間
`notAfter`	簽章時間	未指定