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Publication 52 - Hazardous, Restricted, and Perishable Mail > 2 General Guidelines > 22 Marking Requirements > 224 Tag 44 for Hazardous Materials

Link to "223 Hazardous Materials Warning Labels and Markings" Link to contents for "2 General Guidelines"      Link to Index Link to "225 Other Postal Service Labels and Tags"

224 Tag 44 for Hazardous Materials

Category B infectious substances are the only type of hazardous materials permitted to be placed in a sack or tub. All mailpieces must be properly marked with the proper shipping name “Biological Substance, Category B” and “UN3373” inside a diamond marking as outlined in 346.22a. A sack or tub containing Category B infectious substances must have attached Tag 44, Sack Contents Warning. The tag must be removed when the Category B infectious substances are no longer in the sack or tub. See Chapter 7 for more information.




Link to "223 Hazardous Materials Warning Labels and Markings" Link to contents for "2 General Guidelines"      Link to Index Link to "225 Other Postal Service Labels and Tags"