SUNAT 2026 Checklist (Peru)
32 points where SUNAT actually rejects your e-invoicing — not the 200 in the official manual.
What you'll get
- → What SUNAT actually rejects (top 12 errors)
- → GRE / boleta / factura: when each applies
- → Validator-friendly XML rules (the secret 2025 spec)
- → Checklist for SIRE adoption Jan 2026
PDF sections
- 01 SUNAT context for SMBs
- 02 Electronic invoicing fundamentals
- 03 GRE — when, how, what
- 04 Most common rejections
- 05 SIRE 2026 timeline
- 06 Validator XML tips
- 07 Odoo l10n_pe gotchas