Any person in the United States or any U.S. national may be denied export privileges after notice and opportunity for hearing if that person has been convicted under Title 18, Section 229 of the United States Code of knowingly:

(a) Developing, producing, otherwise acquiring, transferring directly or indirectly, receiving, stockpiling, retaining, owning, possessing, or using, or threatening to use, a chemical weapon; or

(b) Assisting or inducing, in any way, any person to violate paragraph (a) of this section, or attempting or conspiring to violate paragraph (a) of this section.