It is  worth looking at the Liberian and USCG responses to Power limitations re: EEXI and EPL.

Subject: Overridable Shaft-Engine Power Limitation System (SHaPoLi /EPL)

  1. Liberian POL009 paragraph 15.10.6
  2. USCG Pilot Cards

Click here: Pilot_Cards

Click here: POL009.15.6