on, or within of, the real property comprising a public or private elementary or secondary school after a prior conviction or convictions have become final is punishable. (1) by a term of imprisonment of not less than three years and not more than life imprisonment (2) at least three times any special term authorized for a second or subsequent offense involving the same controlled substance and schedule (c) In the case of any sentence imposed, imposition or execution of such sentence shall not be suspended and probation shall not be granted. An individual convicted shall not be eligible for parole under section 4202 of Title 18 of the United States Code until the individual has served the minimum sentence required. Controlled Substances Import and Export Act is amended and redesignated — (1) In the case of a violation of this section involving — (A) or more of a mixture or substance containing a detectable amount of a narcotic drug in schedule I or II other than a narcotic drug consisting of (i) coca leaves (ii) a compound, manufacture, salt, derivative, or preparation of coca leaves (iii) a substance chemically identical thereto (B) or more of any other narcotic drug in schedule I or II (C) or more of phencyclidine (PCP) (D) or more of lysergic acid diethylamide (LSD); the person committing such violation shall be imprisoned for not more than twenty years, or fined not more than $250,000, or both (2) Paragraph (2), as redesignated by — (A) striking out "narcotic drug in schedule I or II, the person committing such violation shall" and inserting in lieu thereof "controlled substance in schedule I or II, the perfion committing such violation shall, except as provided in paragraphs (1) and (3) (B) striking out "$25,000" and inserting in lieu thereof "$125,000" (3) Paragraph (3), as redesignated by — (A) striking out "a controlled substance other than a narcotic drug in schedule I or II, the person committing such violation shall" and inserting in lieu thereof "less than of marihuana, less than of hashish, less than of hashish oil, or any quantity of a controlled substance in schedule III, schedule IV, or schedule V, the person committing such violation shall, except as provided in paragraph (4) (B) striking out "$15,000" and substituting "$50,000" Controlled Substances Import and Export Act is amended by striking out "the United States" and inserting in lieu thereof "a