TL;DR — Quick Summary
Fix Aspel COI errors generating annual declaration, DIM, and electronic accounting XML: missing SAT grouper codes, format errors, and portal submission issues.
Aspel COI: Error Generating Annual Declaration and DIM
📚 Complete Aspel Troubleshooting Guide
Explore 50+ guides to solve common errors in Aspel SAE, COI, NOI and License Server
View all Aspel guides →Guide & Instructions
1
Assign SAT codes and generate
Assign SAT grouping codes, apply all entries, generate XML, validate, and submit via Buzón Tributario.
Frequently Asked Questions
What XML files does Aspel COI generate?
Chart of accounts, trial balance, journal entries, and auxiliaries — all in SAT-required XML format.