1986—Par. (7). Pub. L. 99–570, which directed that “for a term of one year and a fine of $5,000, or both” be substituted for “for a term of six months and a fine of $500, or both”, was executed by making the substitution for “for a term of six months or a fine of $500, or both” as the probable intent of Congress.

Section 4217 of Pub. L. 99–570 provided in part that amendment of par. (7) of this section was to “enhance the ability of tribal governments to prevent and penalize the traffic of illegal narcotics on Indian reservations”.