The service REST API may produce the following error codes.
The authorization header (X-TAXPT-Authz) was not found or is invalid.
The retrieval of the certificate failed.
The specified communication channel is inactive.
The dispatch registration failed.
The document validation failed.
The encryption key does not exist.
The encryption key was already requested.
The encryption key request failed.
The encryption key request is not completed.
The encryption key request does not exist.
The encryption key was already retrieved.
The encryption key retrieval failed.
The encryption key retrieval does not exist.
The encryption keys start key retrieval security code is required.
The endpoint header (X-TAXPT-Endpoint) was not found or is invalid.
The specified fiscal year is invalid.
The specified fiscal year and/or VAT number is blocked.
An internal error occurred while processing your request.
The invoice change status failed.
The invoice delete failed.
The invoice delete criteria is missing.
The invoice registration failed.
The payment change status failed.
The payment delete failed.
The payment delete criteria is missing.
The payment registration failed.
The request arguments are invalid.
The specified security code is invalid.
The series deactivation failed.
The series deregistration failed.
The series registration failed.
The series retrieval failed.
The software provider claim is required.
The specified VAT number is invalid.
The working document change status failed.
The working document delete failed.
The working document delete criteria is missing.
The working document registration failed.