343.27 Authorization to Mail Ethanol-Based Flammable Liquids or Solids
Flammable liquids or solids that contain ethyl alcohol are eligible to be mailed via domestic air transportation only with prior written authorization.
Mailers must submit a letter of request to the manager, Product Classification (see 214 for address). The request must include a list of each specific product to be mailed under the authorization, an MSDS for each product, the office of mailing, and expected frequency and quantity of mailings.
Approvals are initially provided for the duration of one year. Subsequent approvals are performance-based and will be extended in one- to three-year increments.
If approved, the mailer must:
Present a copy of their authorization letter from the manager, Product Classification (to be kept on file at the office of mailing) at the time of their first mailing at any given Postal Service facility. Mailings not supported by an authorization letter will be refused.
For content containing not more than 70% ethyl alcohol by volume, tender only parcels weighing 25 pounds or less. Each non-glass primary receptacle must not exceed 16 ounces of flammable liquid or 1 pound of solids. Each glass primary receptacle must not exceed 8 ounces of flammable liquid or 1/2 pound of solids. Total volume of flammable material per mailpiece must not exceed 96 ounces for flammable liquids or 16 pounds for flammable solids.
For content containing more than 70% ethyl alcohol by volume, tender only parcels weighing 16 pounds or less. Each primary package receptacle must not exceed 8 ounces of flammable liquid or 1/2 pound of solids. Total volume of flammable material per mailpiece must not exceed 48 ounces for flammable liquids or 8 pounds for flammable solids.
Enter parcels using Priority Mail Express, Priority Mail, First-Class Mail, or First-Class Package Service.
Label each parcel on the address side with the mailer’s company name and return address.
Label each parcel on the address side with the marking “Contains Air-Eligible Ethyl Alcohol — Authorization Number #,” using at least 14-point type.
Ensure that the addressee of each parcel is notified that the addressee is not authorized to re-mail the contents of the parcel via air transportation. The mailer must include the following written notice:
“Flammable liquids or solids contained in these packages may be mailed only by consumers (the addressee) via surface transportation in accordance with USPS Publication 52, section 343. Full responsibility rests with the mailer to comply with all postal and nonpostal statutes and regulations regarding mail. Information regarding postal statutes, regulations, and mailing requirements is available from your local Postmaster or district manager, Business Mail Entry, and at the Postal Service’s mailing standards website, Postal Explorer, at pe.usps.com.”
Comply with the warning and labeling requirements set forth in 21 CFR 700, 701.3, and 740.1 when mailing each parcel.
Comply with all quantity, packaging, and marking requirements in Packaging Instruction 3D in Appendix C.