On April 1, 2024, the NRC issued a Notice of Violation (Notice) to Ascension Borgess Hospital (licensee) for a Severity Level III violation. The SL III violation involved the licensee’s failure to have an authorized user date and sign a written directive before five administrations of Y-90 microspheres, as required by Title 10 of the Code of Federal Regulations (10 CFR) Part 35.40(a). In addition, the Notice included a Severity Level IV violation involving the licensee’s failure to submit a written report within 30 days of making a telephone report identifying that a sealed source was lost in transit as required by 10 CFR 20.2201(b).