TaxCore Support

Click on the category to browse FAQs.

Accreditation Process (5)

These are the FAQs about the accreditation of EFD products.

- Can I modify some of the information present in an invoice header? Is it allowed if my customers are asking for that?

- What is a proforma invoice? Is it mandatory?

- What is the best way to integrate different payment gateways, what is the preferred architecture?

- Which are the mandatory payment methods on my invoices?

- Which information is shown in the invoice header and where does it comes from?
Certificates (4)

These are FAQs regarding certificates.

- I did not receive a PIN for my initial setup, could you please provide me with one?

- I got a PFX file but I would like to obtain also the RCA and ICA certificates to access TAP, how can I do that?

- The system is returning an SSL connection error, and I cannot safely validate certificates. Could you fix this from your end?

- What are the formats in which you provide certificates?
Registration Process (3)

These are FAQs about how to register as a developer and some other related concerns.

- Could you please point me to the relevant user documentation regarding Sandbox registration and accreditation instructions?

- I want to accredit my POS/ESDC product, but it will be distributed by one of my customers in that jurisdiction. How do I proceed in this case?

- What are the ways of contacting you for technical questions and registration inquiries?
Taxes and transactions (5)

These are FAQs about taxes and transactions and their use.

- How can I retrieve tax labels successfully for my POS solution?

- I have tried to issue an invoice but the system is asking me to provide a PAC to sign it. What is the PAC?

- If there is any discount, can it be reflected as a negative line on the invoice?

- What if a customer uses a voucher or a coupon to reduce the invoice total?

- What taxes should I use in Sandbox environment?
Testing (3)

These are FAQs regarding testing.

- How can I connect to an V-SDC using .NET 4.0?

- How can I test how my POS works with an ESDC?

- I am getting the following error: {Message “:” The request is invalid.”,”ModelState”:{“invoice.ReferentDocumentNumber”:[“2800”]}} could you please advise me how to correct it?

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