# 42 C.F.R. § 73.10 (2026): Restricting access to select agents and toxins; security risk assessments > Federal · Regulations · In force URL: https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_10 ## Section - **Citation:** 42 C.F.R. § 73.10 (2026) - **Heading:** Restricting access to select agents and toxins; security risk assessments - **Jurisdiction:** Federal - **Kind:** Regulations - **Status:** In force - **Text as of:** August 14, 2026 - **Source:** Compiled text - **Location:** Title 42 CFR: Public Health / Chapter I: PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES / Part 73: SELECT AGENTS AND TOXINS / § 73.10: § 73.10 Restricting access to select agents and toxins › security risk assessments. ## Text (a) An individual or entity required to register under this part may not provide an individual access to a select agent or toxin, and an individual may not access a select agent or toxin, unless the individual is approved by the HHS Secretary or Administrator, following a security risk assessment by the Attorney General. (b) An individual will be deemed to have access at any point in time if the individual has possession of a select agent or toxin (e.g., ability to carry, use, or manipulate) or the ability to gain possession of a select agent or toxin. (c) Each individual with access to select agents or toxins must have the appropriate education, training, and/or experience to handle or use such agents or toxins. (d) To apply for access approval, each individual must submit the information necessary to conduct a security risk assessment to the Attorney General. (e) A person with a valid approval from the HHS Secretary or Administrator to have access to select agents and toxins may request, through his or her Responsible Official, that the HHS Secretary or Administrator provide their approved access status to another registered individual or entity for a specified period of time. A Responsible Official must immediately notify the Responsible Official of the visited entity if the person's access to select agents and toxins has been terminated. (f) An individual's security risk assessment may be expedited upon written request by the Responsible Official and a showing of good cause (e.g., public health or agricultural emergencies, national security, or a short term visit by a prominent researcher). A written decision granting or denying the request will be issued. (g) An individual's access approval will be denied or revoked if the individual is within any of the categories described in 18 U.S.C. 175b, n written request by the Responsible Official and a showing of good cause (e.g., public health or agricultural emergencies, national security, or a short term visit by a prominent researcher). A written decision granting or denying the request will be issued. (g) An individual's access approval will be denied or revoked if the individual is within any of the categories described in 18 U.S.C. 175b, (h) An individual's access approval may be denied, limited, or revoked if: (1) The individual is reasonably suspected by any Federal law enforcement or intelligence agency of committing a crime specified in 18 U.S.C. 2332b(g)(5), knowing involvement with an organization that engages in domestic or international terrorism (as defined in 18 U.S.C. 2331) or with any other organization that engages in intentional crimes of violence, or being an agent of a foreign power (as defined in 50 U.S.C. 1801), or (2) It is determined such action is necessary to protect public health and safety. (i) An individual may appeal the HHS Secretary's decision to deny, limit, or revoke access approval under § 73.20. (j) Access approval is valid for a maximum of three years. (k) The Responsible Official must immediately notify CDC or APHIS when an individual's access to select agents or toxins is terminated by the entity and the reasons therefore. [70 FR 13316, Mar. 18, 2005, as amended at 77 FR 61112, Oct. 5, 2012; 82 FR 6293, Jan. 19, 2017] ## Nearby sections - [42 C.F.R. § 73.0 (2026) § 73.0 Applicability and related requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_0.md) - [42 C.F.R. § 73.1 (2026) § 73.1 Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_1.md) - [42 C.F.R. § 73.2 (2026) § 73.2 Purpose and scope.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_2.md) - [42 C.F.R. § 73.3 (2026) § 73.3 HHS select agents and toxins.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_3.md) - [42 C.F.R. § 73.4 (2026) § 73.4 Overlap select agents and toxins.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_4.md) - [42 C.F.R. § 73.5 (2026) § 73.5 Exemptions for HHS select agents and toxins.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_5.md) - [42 C.F.R. § 73.6 (2026) § 73.6 Exemptions for overlap select agents and toxins.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_6.md) - [42 C.F.R. § 73.7 (2026) § 73.7 Registration and related security risk assessments.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_7.md) - [42 C.F.R. § 73.8 (2026) § 73.8 Denial, revocation, or suspension of registration.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_8.md) - [42 C.F.R. § 73.9 (2026) § 73.9 Responsible Official.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_9.md) - [42 C.F.R. § 73.10 (2026) § 73.10 Restricting access to select agents and toxins; security risk assessments.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_10.md) - [42 C.F.R. § 73.11 (2026) § 73.11 Security.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_11.md) - [42 C.F.R. § 73.12 (2026) § 73.12 Biosafety.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_12.md) - [42 C.F.R. § 73.13 (2026) § 73.13 Restricted experiments.](https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_13.md) --- Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T42_P73_S73_10. 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