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325 DOT Hazardous Materials Warning Labels

In commerce, packages containing hazardous materials (except those qualifying as ORM–D material or a limited quantity shipment) must display the appropriate DOT diamond–shaped hazardous materials warning label. Any mailpiece bearing, or required under 49 CFR to bear, one of the warning labels shown in Exhibit 325a is prohibited from mailing. The warning labels shown in Exhibit 325b may appear only on mailpieces containing mailable hazardous materials that require use of the label under Postal Service requirements.

(The labels shown in the exhibits are not shown to size. DOT warning labels must meet the size and color requirements in 49 CFR 172.407 through 172.446.)

Exhibit 325a

DOT Hazardous Materials Warning Labels: PROHIBITED IN THE MAIL

Exhibit 325a, DOT Hazardous Materials Warning Labels: PROHIBITED IN THE MAIL

Exhibit 325b

DOT Hazardous Materials Warning Labels: PERMITTED ON MAILABLE HAZARDOUS MATERIALS

Exhibit 325b, DOT Hazardous Materials Warning Labels: PERMITTED ON MAILABLE HAZARDOUS MATERIALS

Exhibit 325c

DOT Hazardous Material Warning Labels: PERMITTED FOR MAILABLE LIMITED QUANTITIES ONLY

Exhibit 325c, DOT Hazardous Material Warning Labels: PERMITTED FOR MAILABLE LIMITED QUANTITIES ONLY