(l) Class 12; products without geographical designations but distinctive of a
(1) The whiskies of the types specified in paragraphs (b) (1), (4), (5), and (6) of
this section are distinctive products of the United States and if produced in a
foreign country shall be designated by the applicable designation prescribed in
such paragraphs, together with the words "American type" or the words
"produced (distilled, blended) in __", the blank to be filled in with the name of the
foreign country: Provided, That the word "bourbon" shall not be used to describe
any whisky or whisky-based distilled spirits not produced in the United States.