I think Mastercard startet it, now CrakRevenue follows.
	Quote:
	
	
		
			
				To that effect, we require that our ads only be displayed on sites that: 
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Its owner has appropriate documentation and record-keeping pursuant to applicable legislation and regulation pertaining to the performers being 18 years of age or older (i.e. 18 U.S. Code § 2257) 
 
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How am I supposed to have any documents, if I use content from sponsors?