Do Not Open, Delay, or Take Mail
Key Takeaways
- Federal mail is not personal property; USPS teaches that pieces must never be opened, stolen, damaged, discarded, or delayed.
- Employees who steal, delay, or destroy mail can face removal from employment and criminal prosecution.
- Culling non-processable pieces is an allowed loading duty; opening sealed mail to inspect or read contents is not.
- Damaged or undeliverable pieces go to a supervisor or the designated nixie / damaged-mail process — do not invent a local workaround.
- Privacy means you do not read correspondence or discuss what you glimpsed on a card or through a torn wrapper.
Do Not Open, Delay, or Take Mail
Quick Answer: Mail in a plant is not personal property. Do not open it, delay it, dump it, or take it. Damaged pieces go to a supervisor or the designated nixie / damaged-mail process at a high level — do not invent a local SOP. Do not read correspondence. Culling non-processable pieces is an allowed job duty; opening sealed mail is not.
Why sanctity of the mail is a Work Situations domain
USPS employee ethics messages repeat a short duty: employees should never steal, delay, or destroy letters and packages. A 2021 USPS employee-news reminder, Matter of trust, states that mail must always be delivered as addressed and as promised, and never be opened, stolen, damaged, discarded, or delayed. Later Ethics Awareness Week notices (including 2025 and 2026) add that employees who steal, delay, damage, or destroy mail can face administrative action, including removal, and criminal prosecution.
That is the public-trust core of Mail Processing Clerk work. Plants move huge volumes under dispatch windows, but volume is not a license to shortcut a piece. Medications, bills, payments, and gifts travel in the same trays as advertising mail. You cannot see which envelope is which without opening it — and opening it is exactly what you must not do.
On Exam 476 Work Situations, four responses will often mix a correct public-trust action with tempting production shortcuts: finish the run first, hide a missort until tomorrow, toss a wet letter, or peek because the flap is already loose. Choose most likely the action that treats mail as entrusted and least likely the action that opens, delays, dumps, or takes it. USPS does not publish the scoring key; the published employee duty is still the teaching standard.
Federal mail is not yours
A letter sitting in a stacker is still the sender's correspondence in Postal Service custody. It does not become plant property because it is loose, because the wrapper is scuffed, or because nobody is watching. Taking one catalog home, pocketing a stamp from a damaged envelope, or setting a parcel in your locker until you feel like dealing with it are all ways of treating public mail as personal property.
Delay is not only leaving a piece in a coat. Delay includes parking a tray of missorts under a table so your numbers look clean, holding a wet bundle until the next tour without telling anyone, or discarding pieces that would take extra handling. USPS tells employees who are having trouble keeping up with assigned duties to speak with a supervisor, not to invent a private backlog.
Destroying or dumping mail — trash cans, floor sweepings, outdoor dumpsters — is not a cleanup method. If a piece is truly destroyed in equipment, that is an incident for a supervisor, not a reason to hide the remnants.
Privacy: do not read correspondence
Sanctity includes privacy. Do not read letters, cards, or the contents of a torn wrapper. Do not linger over a postcard's message. Do not photograph an address or a prescription label for a group chat. Do not tell a coworker what you glimpsed on a check or a greeting card. Curiosity is not a processing duty.
A flap that is already loose is not an invitation to finish opening the piece. Fold it closed as far as you can without reading it and send it into the damaged-mail / supervisor process. Reading it so you can be helpful to the sender is still reading someone else's mail.
Cull non-processable versus open sealed mail
USPS vacancy language for PSE Mail Processing Clerk (occupation 2315_PSE) includes loading automated equipment and culling non-processable items. That duty is real. It is also easy to confuse with opening mail.
| Action | Allowed as a processing duty? | What it looks like on the floor | What it is not |
|---|---|---|---|
| Cull non-processable | Yes — visual pull from the automated stream | Rigid, strapped, oversized, metal, or otherwise nonmachinable pieces set aside for the proper manual or nonmachinable stream | Slitting a sealed envelope to see why it feels thick |
| Keep trusted processable mail moving | Yes — that is the job | Continuous feed, sweep, dispatch | Skipping isolation when a piece looks hazardous |
| Open sealed mail | No | Scissors, peeling tape, finishing a torn flap to inspect contents | Not part of culling |
| Read correspondence | No | Scanning a letter or discussing a postcard message | Not research, not customer service at a plant |
| Delay, dump, or take a piece | No | Locker, trash, coat pocket, personal bag | Not a way to protect dispatch numbers |
| Damaged or undeliverable piece | Escalate | Supervisor or designated nixie / damaged-mail process | Not a homemade tape-and-send SOP |
Nixie is the long-standing postal term for mail that cannot be processed or delivered as addressed (often grouped with undeliverable-as-addressed handling). Plants also have damaged-mail handling. This independent guide stays at that high level on purpose: do not invent a local SOP, a cage number, or a form number you have not been given. The Work Situations-safe action is to get the piece to a supervisor or the designated damaged-mail / nixie process at that facility, not to freelance repairs.
Worked plant scenes (most likely / least likely)
Scene A — sealed letter, thick and lumpy, at culling. Most likely: treat it as non-processable if it will not run, set it aside for the proper stream, and do not open it. If it also looks suspicious (wires, powder, odor), leave the ordinary cull and follow Poster 84. Least likely: open it at the feeder to identify the contents.
Scene B — torn parcel, contents not spilling a hazard. Most likely: protect the piece from further damage and give it to a supervisor or the designated damaged-mail process. Least likely: finish opening it to see what is inside, tape it with personal tape and send it as if nothing happened, or throw it away because it is messy.
Scene C — you are behind on a sweep and a tray of letters is still on the ledge. Most likely: keep processing trusted mail and tell a supervisor if you cannot finish within the assignment. Least likely: hide the tray, take letters home to finish, or dump the extras so the aisle is clear.
Scene D — a postcard message is funny. Most likely: process the card; do not read it as entertainment and do not repeat the message. Least likely: snap a photo or read it aloud.
If personal issues are affecting your ability to perform the job, USPS points employees to a supervisor and to the voluntary Employee Assistance Program (800-EAP-4YOU / 800-327-4968). That is support, not a substitute for reporting delayed or damaged mail honestly.
Attempts to destroy or steal mail are reported to the USPS Office of Inspector General. Ethics questions can go to the USPS Ethics Office at 202-268-6346 or ethics.help@usps.gov.
Official resources
- USPS: employees have a duty to protect the mail (2026)
- USPS: protect the sanctity of the mail (2025)
- USPS Ethics for current employees
Which statement correctly describes a Mail Processing Clerk's duty toward letters and packages in the plant?
How should a clerk tell culling non-processable pieces apart from opening sealed mail?
A parcel tears on a stacker. The contents are not a hazardous leak. What is the high-level handling rule?