Criminal Forfeiture Amendments Act of 1981- Amends the Racketeer Influenced and Corrupt Organizations Act (RICO) and the Continuing Criminal Enterprise statute (CCE) to subject to criminal forfeiture all profits and proceeds acquired indirectly or directly from illegal enterprises or from continuing narcotics enterprises. Authorizes a court to direct the forfeiture of other assets of a defendant to the extent that such proceeds cannot be located or are otherwise beyond Federal jurisdiction. Permits a court to authorize redemption of such assets upon surrender of the original proceeds.