§764.  Exemptions

Nothing in this Part shall apply to:

(1)  What is commonly known as a rubber boot or shoe, or to the use of a rubber heel on a boot or shoe; or

(2)  The use of steel, wood or other substance as an inside filler in the shank of a boot or shoe; or

(3)  The use of cork or cement between the soles of a boot or shoe; or

(4)  A retail dealer who unknowingly sells shoes which although properly stamped are in violation of this Part.