Combustible liquids — domestic air
For Combustible liquids, item category is Combustible liquids — domestic air; carrier is USPS; restriction type is restricted; scope is domestic mail via air transportation; conditions is Mailable if qualify as ID8000 materials and meet criteria; Packaging Instruction 3B must be followed, recorded from its source on 2026-08-04.
- Item category
- Combustible liquids — domestic air unconfirmed
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail via air transportation our reading
- Conditions
- Mailable if qualify as ID8000 materials and meet criteria; Packaging Instruction 3B must be followed unconfirmed
Values marked unconfirmed are shown, but we could not tie them to the quote below: Conditions, Item category. Read the quote and judge them yourself.
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.
What the source says
Domestic Mail via Air Transportation: Combustible liquids are mailable if they qualify as ID8000 materials
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_022.htm