Related Rule
Ecuador
Practice Relating to Rule 61. Improper Use of Other Internationally Recognized Emblems
Ecuador’s Naval Manual (1989) states: “Protective signs and symbols may be used only to identify personnel, objects, and activities entitled to protected status which they designate. Any other use is forbidden by international law.” 
Ecuador, Aspectos Importantes del Derecho Internacional Marítimo que Deben Tener Presente los Comandantes de los Buques, Academia de Guerra Naval, 1989, § 11.10.5.