Section 120.520 - Visiting Authorized User, Visiting Authorized Nuclear Pharmacist, Visiting Ophthalmic Physicist or Visiting Medical Physicist(A) A licensee may permit any visiting authorized user, visiting authorized nuclear pharmacist, visiting ophthalmic physicist or visiting authorized medical physicist to work as an authorized user, authorized nuclear pharmacist, ophthalmic physicist or medical physicist, respectively, under the terms of the licensee's license for 60 days each year if:(1) The visiting authorized user, the visiting authorized nuclear pharmacist, the visiting ophthalmic physicist or the visiting authorized medical physicist has the prior written permission of the licensee's management and, if the work is performed on behalf of an institution, the institution's Radiation Safety Committee;(2) The licensee has a copy of an Agency, Agreement State, or U.S. Nuclear Regulatory Commission license that identifies the visiting authorized user, the visiting authorized nuclear pharmacist, the visiting ophthalmic physicist or the visiting authorized medical physicist by name as an authorized user for medical use, as an authorized nuclear pharmacist, as an ophthalmic physicist, or as an authorized medical physicist respectively; and(3) Only those procedures for which the visiting authorized user is specifically authorized by an Agency, Agreement State, or U.S. Nuclear Regulatory Commission license are performed by that individual.(B) A licensee need not apply for a license amendment in order to permit a visiting authorized user, a visiting authorized nuclear pharmacist, a visiting ophthalmic physicist or a visiting authorized medical physicist to use licensed material as described in 105 CMR 120.520(A).(C) A licensee shall retain copies of the records specified in 105 CMR 120.520(A) for three years from the date of the last visit.Amended by Mass Register Issue 1480, eff. 10/14/2022.