254 Mail Preparation

254.1 Addressing

First-Class Package International Service items are subject to the addressing requirements in 122.

254.2 Markings

The following markings apply to First-Class Package International Service items:

1. First-Class Package International Service packages (small packets) and rolls — which because of their size, shape, or configuration might be mistaken for another category of international mail — should be marked “LETTER-POST” on the address side of the mailpiece.
2. First-Class Package International Service items that qualify as free matter for the blind or physically handicapped must bear the marking “Free Matter for the Blind or Physically Handicapped” in the upper-right corner of the address side of the mailpiece. See 274.2.

254.3 Sealing

Unregistered First-Class Package International Service items may be sealed at the sender’s option. Mailpieces not sealed by conventional means, such as taping the open flaps for small packets, must be closed in such a manner as to prevent the contents from falling out or being damaged during postal handling and transport. First-Class Package International Service items that use Registered Mail service must be sealed. (See 334.4 for sealing requirements for Registered Mail service.)

254.4 Packaging

The following standards apply for packaging package-size First-Class Package International Service items:

1. Mailers must package mailpieces to withstand normal transit and handling without content or package breakage, injury to Postal Service employees, or damage to other mail or Postal Service equipment.
2. Mailers must package their contents to prevent their deterioration.
3. Mailers may use boxes, cartons, tubes, or other types of containers that are commonly used to transmit shipments that are in package form.