根据最新的MEPC 71，已就压载水管理规则的实施时间进行修改。
会议批准了压载水管理公约中B-3规则的修订草案，明确了实施公约有关规定D-1和D-2中的时间：
“新建船舶”（即2017年9月8日及以后建造的船舶，这里的建造指铺龙骨时间）：交船时必须满足规则D-2中所定义的压载水管理标准。
“现有船舶”（即BWM公约生效之前建造的船舶），可以根据下面两种情况来满足规则D-2中所定义的压载水管理标准：
1、如果公约生效后的第一次换证检验发生在2019年9月8日及以后，或者在2014年9月8日及以后但在2017年9月8日之前实施过换证检验，在公约生效后的第一次IOPP换证检验时需满足规范要求；
2、如果在BWM公约生效后，但是在2019年9月8日前进行了一次换证检验，同时在2014年9月8日及以后但在2017年9月8日之前没有进行换证检验，可以在公约生效后的第二次IOPP换证检验时需满足规范要求。
对于未持有IOPP证书的船舶：由当局决定实施满足规则D-2的时间，但不得迟于2024年9月8日。
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An amended implementation scheme
for BWM Convention
MEPC 71 has reached a compromise on the implementation dates for Ballast water treatment systems according to discharge standard in regulation D-2 of the Ballast Water Management Convention (BWM Convention).
The Committee has approved draft amendments to regulation B-3 of the BWM Convention which put an end to uncertainty for existing ships regarding the respective application of regulations D-1 and D-2 :
for "new ships" (i.e. ships constructed on or after 8 September 2017): agree to apply the entry-into-force date of the BWM Convention as the date to conduct Ballast Water Management that at least meet the standard described in regulation D-2
for "existing ships" (i.e. ships constructed prior to entry into force of the BWM Convention): agree to apply "on or after 8 September 2019" as the start of the phase-in of conducting Ballast Water Management that at least meet the standard described in regulation D-2
1st renewal survey if :
- this survey is completed on or after 8 September 2019, or
- a renewal survey (deharmonized IOPP or not) was completed on or after 8 September 2014 but prior to 8 September 2017
2nd renewal survey if :
- the 1st renewal survey following theentry into force of the BWM Convention is completed prior to 8 September 2019
- Provided that renewal survey was not completed on or after 8 September 2014 but prior to 8 September 2017
a ship which does not hold IOPP certificate shall conduct Ballast Water Management that at least meets the standard described in regulation D-2 from the date decided by the Administration, but not later than 8 September 2024.
