The minimum requirements of Roan must still be met regardless if Corn spots is shown or not.
Corn spots is not listed in the phenotype, a Roan with Corn spots is still only written as Roan.
Corn spots on roan causes small "holes" in the roaning where the base coat is visible. Corn spots should always be fairly small (anywhere between tiny speck to as large as the eye), and can be round or slightly uneven in shape as long as it looks like spots.
Doesn't affect eye colour.
Doesn't affect skin colour.
Doesn't affect horn or hoof colour.
