Colors that are not permitted are RGB, LAB, CalGray, Cal RGB.
Permitted colors are CMYK, Grayscale and Pantone spot colors.
No ICC profiles are to be embedded; they will not be honored.
Composite colors are required; color separated files will not be accepted.
CMYK work should have a TAC (Total Area Coverage) of 280-300.
Black (K) should peak at 94-95 on CMYK images in the shadows.
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