(1) A law enforcement agency conducting any investigation of a violation of this chapter may pay a reward to an individual who provides original information that leads to a recovery of a criminal fine, civil penalty, or forfeiture.
(2) The law enforcement agency shall determine the amount of a reward under this section. The law enforcement agency may not pay more than the amount of reward authorized for similar activity by any federal law or guideline in effect at the time the information described in subsection (1) was provided.
(3) An officer or employee of the United States, a state or local government, or a foreign government who in the performance of official duties provides information described in subsection (1) is not eligible for a reward under this section.
(4) Payment of a reward does not affect the admissibility of testimony in any court proceeding.