; and (III) at the time when an employee of the hospice program assists in the disposal of controlled substances of a hospice patient, documents in the clinical record of the hospice patient a list of all controlled substances disposed of. (C) The Attorney General may, by regulation, include additional types of licensed medical professionals in the definition of the term employee of a qualified hospice program under subparagraph (B). . (b) No registration required Section 302(c) of the Controlled Substances Act ( 21 U.S.C. 822(c) ) is amended by adding at the end the following: (4) An employee of a qualified hospice program for the purpose of assisting in the disposal of a controlled substance in accordance with subsection (g)(5). . (c) Guidance The Attorney General may issue guidance to qualified hospice programs to assist the programs in satisfying the requirements under paragraph (5) of section 302(g) of the Controlled Substances Act ( 21 U.S.C. 822(g) ), as added by subsection (a). (d) State and local authority Nothing in this section or the amendments made by this section shall be construed to prevent a State or local government from imposing additional controls or restrictions relating to the regulation of the disposal of controlled substances in hospice care or hospice programs. 307. GAO study and report on hospice safe drug management (a) Study (1) In general The Comptroller General of the United States (in this section referred to as the Comptroller General ) shall conduct a study on the requirements applicable to and challenges of hospice programs with regard to the management and disposal of controlled substances in the home of an individual. (2) Contents In conducting the study under paragraph (1), the Comptroller General shall include— (A) an overview of challenges encountered by hospice programs regarding the disposal of controlled substances, such as opioids, in a home setting, including any key changes in policies, procedures, or best practices for the disposal of controlled substances over time