Minn. R. 4731.4452
BRACHYTHERAPY SOURCES ACCOUNTABILITY
A. A licensee must maintain accountability at all times for all brachytherapy sources in storage or use. B. As soon as possible after removing sources from a patient or human research subject, a licensee must return brachytherapy sources to a secure storage area. C. A licensee must maintain a record of the brachytherapy source accountability according to part 4731.4512 .