AMECE addenda for La Comer, Fresko and City Market
La Comer publishes orders, receipts and payment breakdowns in Provecomer, and pays once the receipt number has your invoice linked to it. We set up the AMECE addenda with your supplier data and connect your orders to your ERP, so each invoice matches the order.
Applies to La Comer, Fresko, Sumesa and City Market, formerly Comercial Mexicana.

- Addenda
- Current AMECE (7.1)
- Orders
- EDI from Provecomer
- Payment
- Against the receipt number
- Portal
- Provecomer
What La Comer requires from suppliers
According to its supplier manual, La Comer pays against the catalog, the order and the promotion bulletin, and asks suppliers to invoice exactly as ordered to avoid reconciliation differences.
- Messages
- Orders sent over EDI from Provecomer
- Receipt acknowledgment published in Provecomer
- E-invoicing with the AMECE addenda
- Payment and electronic bill-of-exchange breakdowns
- Addenda
- Current AMECE addenda, structure 7.1.
- What the invoice carries
- Supplier number
- Order or promotion bulletin number
- Delivery store and its GLN
- Product codes matching the order
- Negotiated receiving unit and net costs
- Legal entity
- Comercial City Fresko, S. de R.L. de C.V., or Districomex, S.A. de C.V., depending on your agreement.
- Payment
- Conditional on the receipt number having your invoices linked to it. The breakdown is published 48 hours before the deposit.
- Before you start
- A GS1 Mexico code validation letter less than one year old, a positive compliance opinion, a commercial agreement and, if you deliver to distribution centers, a logistics agreement.
Public information gathered in November 2026 from each retailer's supplier sites and manuals, GS1 Mexico and published implementation guides. Retailers update their requirements: confirm them with your buyer or with the guide they gave you.
How we set up your La Comer addenda
So each invoice matches the order and the receipt number.
- 01
We review your agreement
We confirm the legal entity you invoice, your delivery stores and the negotiated receiving unit.
- 02
We set up the AMECE addenda
Your CFDI goes out with your supplier number, the order or bulletin, the store GLN and the order's product codes.
- 03
We connect your orders
Provecomer orders reach your ERP and your invoice goes out with the same products, units and net costs.
- 04
We link the receipt
We follow up so every receipt number has its invoice linked, which is the condition for payment.
La Comer questions
If your question is not here, message us with your supplier number at hand.
Ask an advisorWhich addenda does La Comer require?
The current AMECE addenda, known as AMECE 7.1. It carries your supplier number, the order or promotion bulletin, the delivery store with its GLN and the order's product codes.
What is Provecomer?
It is La Comer's supplier portal. It publishes orders, receipt acknowledgments, returns, payment breakdowns and disputes, and it is where delivery appointments are scheduled.
Why does La Comer hold a payment?
Most often the receipt number has no invoice linked to it, or the invoice does not match the order in product codes, units or net costs.
Other retailers
Invoice La Comer exactly as ordered
Tell us which messages and ERP you use. We reply with a plan and a quote.