Found it :D
http://www.bsatroop103.org/documents/Uniform_info.pdf
Here is what it says specifically about the Eagle Award:
“Eagle Award: Worn pinned centered just above the left breast uniform pocket flap seam. This
award is worn only on formal occasions.”
• “Eagle Palms: Worn pinned horizontally to the ribbon of the ribbon of the Eagle badge, 1/8 inch
apart.”
• Eagle Scout knot insignia is worn by adult leaders. Only the highest
palm earned is worn unless 20 additional merit badges were earned