求翻译：3·400总吨及以上的现有船在自规则生效之日五年以后；和核准搭载人数超过15人的小于400总吨的现有船在自规则生效之日后五年。是什么意思？

3.400 gross tonnage and above the existing vessels in the date of entry into force of self-rule after five years; and approval of existing vessels of less than 400 gross tons carrying more than 15 people in self-rule to take effect after the five years.

正在翻译，请等待...

3 · 400 always ton and above existing ship in from rule date of five after years activation; With will approve the embarkation population to surpass 15 people to be smaller than 400 always ton existing ships from the rule activation in the future five years.

3·400 gross tons and above an existing ship in the self-rule after five years from the date of entry into force; and the number of approved carry more than 15 persons of less than 400 gross tonnage of existing vessels in rule five years after the date of entry into force.