以下是SOLAS关于签发换证时间的要求的原文：

验船师考试题 · 发表于 2013-1-15 15:45

题干		以下是SOLAS关于签发换证时间的要求的原文： notwithstanding the requirements of paragraph (a), when the renewal survey is completed within three months before the expiry date of the existing certificate, the new certificate shall be valid from the date of completion of the renewal survey to: 1） for a passenger ship, a date not exceeding 12 months from the date of expiry of the existing certificate; 2） for a cargo ship, a date not exceeding five years from the date of expiry of the existing certificate; （b）when the renewal survey is completed after the expiry date of the existing certificate, the new certificate shall be valid from the date of completion of the renewal survey to: 1） for a passenger ship, a date not exceeding 12 months from the date of expire of the existing certificate; 2） for a cargo ship, a date not exceeding five years from the date of expiry of the existing certificate; (c)when the renewal survey is completed more than three months before the expiry date of the existing certificate, the new certificate shall be valid from the date of completion of the renewal survey to: 1） for a passenger ship, a date not exceeding 12 months from the date of completion of the renewal survey; 2） for a cargo ship, a date not exceeding five years from the date of completion of the renewal survey. 请用中文回答你对上述要求的理解。
备选项	A
	B
	C
	D
答案		如换证检验在现有证书期满日前3 个月内完成，则新证书应从该换证检验完成之日起： (1) 对客船，从现有证书期满之日起不超过12 个月的日期内有效； (2) 对货船，从现有证书期满之日起不超过5 年的日期内有效； (ⅱ) 如换证检验在现有证书期满日后完成，则新证书应从该换证检验完成之日起： (1) 对客船，从现有证书期满之日起不超过12 个月的日期内有效； (2) 对货船，从现有证书期满之日起不超过5 年的日期内有效； (ⅲ) 如换证检验在现有证书期满日前3 个月前完成，则新证书应从该换证检验完成之日起： (1) 对客船，从换证检验完成之日起不超过12 个月的日期内有效； (2) 对货船，从换证检验完成之日起不超过5 年的日期内有效。