Possible Clues:

• Mark affixed to permit is bright red
• A shade sinful?
• Red mark remaining following cut
• Result of wound allowed to become a sort of fever
• Small vehicle to rent out is red
• Ruddy peasant once in group
• Red little mark, fancifully?
• Fever, pimpernel or runner?
• With 38-Across, symbols of a scandal ... or what 16-, 23-, 47- and 58-Across consist of (in their entirety)?
• Learner in panic beginning to turn red