Under such regulations as the Secretary shall prescribe, distilled spirits may be denatured on the bonded premises of a distilled spirits plant qualified for the processing of distilled spirits. Distilled spirits to be denatured under this section shall be of such kind and such degree of proof as the Secretary shall by regulations prescribe. Distilled spirits denatured under this section may be used on the bonded premises of a distilled spirits plant in the manufacture of any article.