Original sentence: The new certification levels are 20,000 copies sold for GOLD and 40,000 copies sold for PLATINUM.The singles or downloads that has shipped a minimum of 10,000 copies to music retailers can be certified gold, and shippings of over 20,000 copies can be certified platinum
Edited sentence: The new certification levels are 20,000 copies sold for GOLD and 40,000 copies sold for Platinum