Sec. 47a. Information concerning illegal introduction, manufacture, acquisition or export of special nuclear material or atomic weapons or conspiracies relating thereto; reward. 47b. Determination by Attorney General of entitlement and amount of reward; consultation; Presidential approval. 47c. Aliens; waiver of admission requirements. 47d. Hearings; rules and regulations; conclusiveness of determinations of Attorney General. 47e. Certification of award; approval; payment. 47f. Definitions.