Temporary Imports Not Discharged Under IMMEX: What the Risk Usually Means
You pull a report and there they are: temporary imports from a year or two ago, still showing open. The instinct is either to panic or to ignore it. Both are wrong. An undischarged temporary import is a question, and the job is to answer it methodically before someone else asks it for you.
This page is for compliance, finance, and operations people staring at an aged-balance report and wondering how worried to be.
What “not discharged” can mean
Discharge is the act of closing out a temporary import — typically because the goods were exported, transferred to another IMMEX company, changed regime, or were otherwise accounted for within the rules. An open balance means the system has no record that any of that happened.
That does not automatically mean the goods are sitting in a warehouse unaccounted for. It can mean several things, and they carry very different weight:
| What the open balance might be | How serious | How to tell |
|---|---|---|
| The goods were exported but the discharge was never recorded | Often a paperwork fix | Find the export evidence and the missing link |
| A discharge was filed under a different part/unit and did not match | Data problem | Trace the part across systems |
| The goods were consumed/scrapped but never written off | Process gap | Check production and scrap records |
| The goods genuinely were not exported or accounted for | The serious case | No supporting record exists anywhere |
Most aged balances turn out to be a mix. The point of the work is to sort each one into the right bucket.
A composite picture
Composite scenario: This example combines recurring data-reconciliation patterns seen in cross-border manufacturing workflows. It is not a statement about any specific company.
A dashboard shows several temporary imports open since two years ago. The warehouse is sure the material was consumed long ago. The broker insists the export pedimentos exist. Finance just wants to know the exposure. Everyone is partly right and no one has assembled the chain. The first deliverable is not an answer — it is a timeline that, import by import, shows what happened and where the record stops.
The calm sequence
Do not start by assigning blame or estimating a number. Start by reconstructing facts:
- List the open imports with dates, parts, quantities, and values.
- For each, look for export, transfer, or change-of-regime evidence.
- Where evidence exists, find why the discharge did not record.
- Where evidence does not exist, check consumption and scrap.
- Separate “documented, just unrecorded” from “no record anywhere.”
That last separation is the whole point. The first group is cleanup. The second group is what you bring to a specialist.
What to check first
- How old are the oldest open balances, and how large?
- For the largest few, is there any export or discharge evidence at all?
- Are these timing/recording gaps, or genuine missing accountability?
Before you escalate
This is a topic to escalate early rather than sit on, especially where VAT/IEPS exposure could be involved. But escalate with structure: bring the list of open imports, your bucket classification, and the export evidence you did find. A customs broker, tax advisor, or IMMEX specialist can move quickly on a sorted list and slowly on a panic. Avoid promising finance a number before the reconstruction is done.
Interactive tools and visuals
Temporary-import screening aids
Use the journey visual and self-test to trace import, warehouse, production, export discharge and remaining-balance questions.
Educational only; not legal, tax, customs or accounting advice.
Related reading
- Anexo 24 vs Anexo 31: Why Your Inventory and Tax Credit Records May Not Match
- Pedimento Reconciliation for IMMEX: What to Check Before the Numbers Drift
- Scrap, Mermas, and Waste Under IMMEX: Why Production Losses Need a Data Trail
- IMMEX Checklist for CFOs: Questions Before Relying on Temporary Import Benefits
- IMMEX risk and data reconciliation index
Sources & further reading
- SNICE / Secretaría de Economía — IMMEX — IMMEX program context, including return and discharge concepts.
- SAT — Foreign trade portal — Customs regime, return, and discharge reference.
- Diario Oficial de la Federación — Primary source for rules and updates.
- Trade.gov — Mexico Country Commercial Guide — Overview for importers.
Disclaimer
This article is for educational purposes only. It is not legal, tax, customs, or accounting advice. IMMEX, import, VAT/IEPS, Anexo 24, Anexo 31, NOM, Padrón, RFC, and customs-broker obligations depend on the facts of each operation. Confirm requirements with your Mexican importer, customs broker, tax advisor, or qualified IMMEX specialist before shipping or changing your process.