A Uniform Registration Number (URN) system exists in the U.S. for companies which manufacture certain types of stuffed articles of bedding, furniture and toys that will be sold in the United States. The URN acts as a unique ID for the actual physical factory location that is manufacturing the products. To obtain a URN, the factory (or another party on its behalf) must apply for a bedding/furniture license in one of the states with these regulations. The URN issued must be printed on the law labels attached to the products to be sold in the U.S. The products can then, if ever needed, be traced back to the factory.

The URN will be recognized in the other regulating states once a license is also applied for in those other states and a copy of the original URN license is provided. This is the method of the registration process, to obtain a license in all registering states under a single URN. Once the process is complete and all licenses are applied for, the factory is then allowed to ship, distribute and sell their products in the U.S.

Every factory must have its own URN, even under the same company. A URN is comprised of 3 parts: 1) the 2 letter prefix which indicates the state that issued the URN; 2) the states internal identification code for the factory and 3) the 2 letter suffix which idenifies the state or country where the factory is located. For example: CA-12345 (CN) indicates that the state of California issued the URN to a factory in China.

The URN is often confused with the Federal Trade Commission's RN. They are not the same. The FTC's RN pertains to textiles without filling materials: clothing, bed linens, bath towels, tablecloths, curtains, etc.