10 CFR § 35.300 - Use of unsealed byproduct material for which a written directive is required.
A licensee may use any unsealed byproduct material identified in § 35.390(b)(1)(ii)(G) prepared for medical use and for which a written directive is required that is—
(a) Obtained from:
(1) A manufacturer or preparer licensed under § 32.72 of this chapter or equivalent Agreement State requirements; or
(2) A PET radioactive drug producer licensed under § 30.32(j) of this chapter or equivalent Agreement State requirements; or
(b) Excluding production of PET radionuclides, prepared by:
(1) An authorized nuclear pharmacist;
(2) A physician who is an authorized user and who meets the requirements specified in §§ 35.290, 35.390, or
(3) An individual under the supervision, as specified in § 35.27, of the authorized nuclear pharmacist in paragraph (b)(1) of this section or the physician who is an authorized user in paragraph (b)(2) of this section; or
(c) Obtained from and prepared by an NRC or Agreement State licensee for use in research in accordance with an Investigational New Drug (IND) protocol accepted by FDA; or
(d) Prepared by the licensee for use in research in accordance with an Investigational New Drug (IND) protocol accepted by FDA.