ORM-D sticker, or written by hand. If written by hand the letters "ORM-D" must be enclosed by a rectangle. When transported by air, ORM-D shipments require an ORM-D-AIR marking and full hazardous shipping papers. Both UPS Ground and FedEx Ground do not require a hazardous shipping contract to ship ORM-D packages except to Alaska and Hawaii. FedEx Ground does not transport ORM-D packages to Alaska or Hawaii. The United States Postal Service will accept ORM-D packages only for materials intended for domestic surface transportation. Its use is prohibited in international mail. , FedEx Ground will no longer accept shipments labeled as ORM-D, Consumer Commodity, however these same materials can still be shipped using a different label. Per DOT regulations, FedEx Ground Limited Quantity packages can be shipped with a Hazardous Shipping Paper (OP-900) and Hazardous Material Certification OP-950), or without shipping papers by affixing the specific Limited Quantity Diamond Label to the package. Phase-out In January 2011, Pipeline and Hazardous Materials Safety Administration (PMSA), as part of DOT rulemaking HM-215K announced that the ORM-D sticker would be discontinued to make United States regulations similar to international dangerous goods regulations. The international "limited quantity" marking, a black and white sqnare on point, was designated as the replacement marking for the ORM-D and ORM-D-AIR markings. As of 1 January 2021, the ORM-D marking is prohibited from stand alone use in shipping, as the ORM-D classification that the label referred to is no longer part of Hazardous Material Regulations (HMR). In a 2022 interpretation letter to a shipper, the Pipeline and Hazardous Materials Safety Administration has stated that it does not recommend using the old ORM-D and new limited quantity markings together. While not explicitly prohibited by HMR, the old marking may cause confusion and delay transit of cargo. Air transport The phase out date for ORM-D-AIR marking was 31 December 2012. The ORM-D-AIR marking was never recognized by the International Air Transport Association (IATA). As result, a number of airlines required packages to comply with the international guidelines used by the IATA, instead of the US regulations, rendering the marking largely useless. In air transport, a limited quantity marking that included a letter "Y" in the center of the square was the prescribed replacement for ORM-D-AIR. Ground transport For ground (road and rail) transport, the original phase out date was intended for 31 December 2013. Following concerns from shippers about the initial