 Section 817 of the Patriot Act expands the biological weapons statute.was amended to define the use of a biological agent, toxin, or delivery system as a weapon, other than when it is used for "prophylactic, protective, bona fide research, or other peaceful purposes".The Patriot Act created a penalty of more than 10 years imprisonment, a fine for anyone who cannot prove reasonably that they are using a biological agent, toxin, or delivery system for these purposes, or both.