City Letter Carrier Training Manual
Glossary and Sample Forms
A quick-reference glossary of key terms and acronyms, plus an index of the USPS forms city letter carriers use.
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📚 Glossary of Key Terms and Acronyms
- Accountables
- Mail requiring a signature or tracking (Certified, Registered, Insured, Express). Must be signed out/in and handled with care.
- Auxiliary Assistance
- Help requested via PS Form 3996 when a route exceeds 8 hours. May include another carrier assisting.
- CCA (City Carrier Assistant)
- Non-career carrier hired for 360-day terms. May convert to career. Subject to different rules from career carriers.
- COR (Computerized On-site Route Adjustment Tool)
- Software used to adjust routes using PS Form 3999 data. Requires justification on PS Form 1840 Reverse.
- Curtailed Mail
- Mail withheld from delivery due to valid reasons. Must be reported and documented.
- DPS (Delivery Point Sequenced Mail)
- Letter mail sorted in delivery order by machine. Typically delivered as-is.
- ELM
- Employee and Labor Relations Manual. Covers pay, leave, benefits, and conduct policies.
- Form 1767
- Used to report unsafe conditions. Management must respond in writing.
- Form 1838-C
- Tracks mail volume during inspections. Completed daily by carrier.
- Form 1840 / Reverse
- Summary of route inspection and adjustments. Reverse must explain time changes.
- Form 3971
- Used to request or report leave. Signed by both employee and supervisor.
- Form 3996
- Used to request overtime or help when expected to exceed 8 hours. Must be submitted before street duties.
- Form 3999
- Completed during street observation day. Details line of travel and street activity.
- FSS
- Flats Sequencing System. Flats sorted in delivery order; may or may not be cased.
- Grievance
- Formal complaint filed for violations of contract or policy.
- Hot Case Mail
- Late-arriving mail placed in a designated "hot case" area for delivery.
- Line of Travel
- The prescribed delivery route and sequence. Must be followed unless authorized otherwise.
- MSP (Managed Service Point)
- Scannable barcodes verifying delivery at key locations.
- NALC
- National Association of Letter Carriers. Union representing city carriers.
- ODL (Overtime Desired List)
- Full-time carriers who have volunteered for overtime. Must be offered OT before non-ODL carriers.
- POM
- Postal Operations Manual. Policy guide for operations and delivery procedures.
- PS Form
- Postal Service forms with unique numbers and uses (e.g., 3996, 1838-C).
- Pivoting
- Temporary reassignment of part of a route for balancing workloads.
- Pull Down
- Organizing cased mail into trays or satchels in delivery sequence.
- Satchel
- Mailbag for carrying mail on foot routes.
- SOP (Standard Operating Procedures)
- Local instructions aligned with national policy.
- Steward
- Union representative who assists with grievances, inspections, and representation.
- Street Time
- Time spent on delivery including walking, driving, and pickups.
- Swing / Aux Route
- Partial or smaller route, often worked by CCAs.
- Weingarten Rights
- Right to union representation during investigatory interviews.
📄 Appendix A: USPS Forms for City Letter Carriers
| Form # | Title | Purpose & Use |
|---|---|---|
| PS Form 1767 | Report of Hazard | Report unsafe conditions. Requires management response. |
| PS Form 1838-C | Carrier's Count of Mail | Records mail volumes during inspection week. |
| PS Form 1840 | Summary of Count | Summarizes data for route adjustment. |
| PS Form 1840 Reverse | Adjustment Explanation | Details reasons for time changes. |
| PS Form 3849 | Delivery Notice | Left for missed deliveries of accountable mail. |
| PS Form 3811 | Return Receipt | Shows proof of delivery/signature. |
| PS Form 3971 | Leave Request | Submit for any type of leave. |
| PS Form 3996 | Auxiliary Control | Request for help/overtime. Submit before leaving office. |
| PS Form 3997 | Route Schedule | Lists route assignments and times. |
| PS Form 3999 | Street Observation | Documents actual delivery on inspection day. |
| PS Form 4570 | Vehicle Condition | Inspect USPS vehicle and report issues. |
| PS Form 1571 | Undelivered Mail Report | Explains curtailed mail not delivered. |
| PS Form 1357 | Temp ID Card Request | Used while awaiting permanent badge. |
| PS Form 1572 | Dog Warning Card | Alerts carriers of dog hazards at addresses. |
| NALC Daily Log | Carrier's Daily Log | Tracks workday details. Highly recommended. |
| CA-1 | Traumatic Injury | Report sudden injuries on the job. |
| CA-2 | Occupational Disease | Report long-term exposures or injuries. |
✅ Key Notes for Carriers
- Always keep a copy of any form you sign or complete.
- Use PS Form 3996 for any expected overtime — even if denied.
- Submit PS Form 1767 for any safety concern.
- Maintain personal logs with the NALC Daily Log or notebook.
Final Tip
When in doubt, document and keep a copy. The forms in this appendix are your paper trail — they protect your time, your safety, and your rights.
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