Paragraph 7 Permission to use emission abatement methodsF1F6

include such conditions as the Secretary of State believes appropriate, and

be varied or revoked at any time by the Secretary of State giving written notice to the owner.

emission reductions must be continuously achieved which are at least equivalent to those which would have been achieved by the use of fuel oil which complied with paragraph 2(2)(a), 3(3) or 4(3) as applicable,

the ship must be fitted with continuous emission monitoring equipment, and

there must be a record that thoroughly documents that any waste streams discharged into enclosed ports, harbours and estuaries have no impact on the ecosystems of those ports, harbours and estuaries based on any criteria communicated by the authorities of port States to the IMO.