Document types
Invoice, pro forma, prepayment, final, corrective, reversal and delivery note: the document types available through the Agent.
Simplified item data for tour operators (simpleItems)
Under Section 210/A of the Hungarian VAT Act (in force since 1 January 2026), tour operators are, as a general rule, not required to display the tax base and the amount of the margin-scheme VAT on the invoice image. Számla Agent supports this with the optional `` header field: when enabled, the invoice is issued with a simplified invoice image that hides the price and VAT details from the buyer, while the NAV Online Invoice data submission remains complete.
VAT rates
For detailed information on choosing the right VAT rates, see the When and what VAT rates should I use for invoicing? knowledge base article.
Rounding
Rounding rules for HUF invoices: net, VAT and gross values, with examples.
Supported currencies
Currency codes accepted in the penznem element and how exchange rates are handled.
Invoice template and languages
Choosing the invoice layout with the szamlaSablon field and setting the language of the document.
Order number and duplicate checking
The rendelesSzam field, the "Disable order number repetition" account setting and protection against accidental double submission.
Displaying a discount on the invoice
A discount is represented as a separate line item with a negative amount; rules and example XML.
Invoice notification e-mail
When the buyer receives the completed invoice by e-mail and how to disable it with the sendEmail field.
Data erasure code (torloKod)
The optional torloKod field of invoice items: usage, limits and related error codes.