1 The Administration of a Party may allow any fitting, material, appliance
or apparatus to be fitted in a ship or other procedures, alternative fuel oils, or
compliance methods used as an alternative to those required by this Annex if such
fitting, material, appliance or apparatus or other procedures, alternative fuel oils, or
compliance methods are at least as effective in terms of emissions reductions as those
required by this Annex, including any of the standards set forth in regulations 13 and 14.
2 The Administration of a Party that allows a fitting, material, appliance
or apparatus or other procedures, alternative fuel oils, or compliance methods used as
an alternative to those required by this Annex shall communicate to the Organization for
circulation to the Parties particulars thereof, for their information and appropriate
action, if any.
3 The Administration of a Party should take into account any relevant
guidelines developed by the Organizationfootnote pertaining to the equivalents provided for in this
regulation.
4 The Administration of a Party that allows the use of an equivalent as set
forth in paragraph 1 of this regulation shall endeavour not to impair or damage its
environment, human health, property or resources or those of other States.