What limited derogation exists under Regulation 4(2) of the WAH Regulations 2010, and how far does it extend?

A. An exemption for any vessel operating outside UK waters

B. A blanket exemption for any vessel over 20 years old

C. A permanent exemption for all naval auxiliary vessels

D. A limited derogation for vessels undertaking public service or civil protection activities (e.g. search and rescue, law enforcement) where full compliance is not possible — and only for the specific provision that cannot be complied with, not the whole regulation

A. MGN 410 is a standalone law with no underlying statutory instrument

B. The Merchant Shipping and Fishing Vessels (Health and Safety at Work) (Work at Height) Regulations 2010, SI 2010/332

C. The Code of Safe Working Practices for Merchant Seafarers (no SI number)

D. The Merchant Shipping (Safe Manning) Regulations 1997

A. The Master decides which to follow on a case-by-case basis

B. Whichever document was published more recently automatically takes precedence

C. The WAH Regulations 2010 and MGN 410 take precedence, since COSWP is guidance while the WAH Regulations are statutory law

D. COSWP always takes precedence, since it is more detailed