DGII 31 — Signer certificate expired

Certificado del firmante expirado

Field	Value
DGII code	31
Category	Signature
HTTP status	422
Retryable	No
Tenant fixable	Yes
Problem.type	https://errors.api.erply.pro/dgii-31-certificado-expirado

Probable cause

The certificate used to sign is outside its validity period. Renew the .p12 with your INDOTEL CA.

How to fix

• Renew your .p12 certificate with the INDOTEL Certification Authority.
• Upload the new .p12 via PATCH /v1/company/{id}/p12 (coming soon).

Example application/problem+json response

{
  "type": "https://errors.api.erply.pro/dgii-31-certificado-expirado",
  "title": "Signer certificate expired",
  "status": 422,
  "detail": "DGII code 31: Signer certificate expired",
  "instance": "/v1/invoices",
  "correlationId": "1-65fa7c3a-6f9c2d8e0a1b2c3d4e5f6789",
  "dgii": {
    "code": "31",
    "trackId": "20260501-DGII-9988"
  }
}

Source

DGII PSFE Technical Spec + Norma 06-04. Exact citation pending review by the compliance specialist.