48 CFR §908.7113

Orders for calibration services may be placed with the National Institute of Standards and Technology, 100 Bureau Drive, Stop 2300, Gaithersburg, MD 20899-2300, by either DOE acquisition offices or its authorized contractors. Copies of the letters authorizing contractors to order calibration services on behalf of DOE shall be sent to the National Institute of Standards and Technology, Attention: “Calibration Services.”