media entity on the List that is obtained through the use of a virtual private network. (c) Enforcement The Commission may impose a forfeiture penalty under section 503 of the Communications Act of 1934 ( 47 U.S.C. 503 ) on any person who violates a rule prescribed under this section. (d) Rule of construction Nothing in this section may be construed to give the Commission the authority to carry out any action under subsection (a) or (b) with respect to any entity that is not on the List. 6. Countermeasures against employees of listed entities (a) Visa ineligibility Beginning on the date that is 30 days after an entity is first included on the List— (1) any foreign person employed by such entity on or after such date of first inclusion who is a national of a covered nation— (A) shall be permanently ineligible to be issued or to retain a nonimmigrant visa under section 101(a)(15)(H)(i)(b) of the Immigration and Nationality Act ( 8 U.S.C. 1101(a)(15)(H)(i)(b) )