; (D) risks of occupational exposure to opioids and other illicit substances and the formulation of prevention activities tailored to the risks identified; and (E) other subjects related to substance use disorder in the workplace as the Secretary determines. (2) Direct service providers The Secretary shall conduct (directly or through grants or contracts) research, experiments, and demonstrations, and publish studies relating to the occupational health and safety, recruitment, and retention of behavioral health providers who, as part of their job responsibilities, provide direct services to individuals who are at risk of experiencing substance use disorder or who are experiencing or recovering from substance use disorder, including— (A) identifying factors that the Secretary believes may endanger the health or safety of such workers, including factors that affect the risks such workers face of developing substance use disorder; (B) motivational and behavioral factors relating to the field of behavioral health providers; (C) strategies to support the recruitment and retention of behavioral health providers; and (D) other subjects related to behavioral health providers engaged in direct provision of substance use disorder prevention and treatment services as the Secretary determines appropriate. (3) Authorization of appropriations There is authorized to be appropriated to carry out this subsection— (A) $10,000,000 for fiscal year 2020; (B) $10,000,000 for fiscal year 2021; (C) $10,000,000 for fiscal year 2022; (D) $10,000,000 for fiscal year 2023; (E) $10,000,000 for fiscal year 2024; (F) $10,000,000 for fiscal year 2025; (G) $10,000,000 for fiscal year 2026; (H) $10,000,000 for fiscal year 2027; (I) $10,000,000 for fiscal year 2028