Reference Source

Flammable liquids with flashpoint above 20 F — domestic surface

What is the carrier for Flammable liquids with flashpoint above 20 F — domestic surface?

For Flammable liquids with flashpoint above 20 F, item category is Flammable liquids with flashpoint above 20 F — domestic surface; carrier is USPS; restriction type is restricted; scope is domestic mail via surface transportation only; conditions is Mailable if qualifies as Limited Quantity surface material and meets criteria; must follow Packaging Instruction 3A, recorded from its source on 2026-08-04.

Other flammable liquids may be mailed if they qualify as a Limited Quantity surface material and meet the criteria in Exhibit 343.21

pe.usps.com, retrieved 2026-08-04

Item category
Flammable liquids with flashpoint above 20 F — domestic surface
Carrier
USPS our reading
Restriction type
restricted our reading
Scope
domestic mail via surface transportation only our reading
Conditions
Mailable if qualifies as Limited Quantity surface material and meets criteria; must follow Packaging Instruction 3A
Sourcepe.usps.com
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DatasetMailing and air-carriage restrictions by item category

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

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