A grantee or contractor shall, within 30 days after receiving notice from an employee of a conviction pursuant to section 701(a)(1)(D)(ii) or 702(a)(1)(D)(ii) of this title -

(1)

take appropriate personnel action against such employee up to and including termination; or

(2)

require such employee to satisfactorily participate in a drug abuse assistance or rehabilitation program approved for such purposes by a Federal, State, or local health, law enforcement, or other appropriate agency