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Invoice template

An invoice template that meets the law.

Templates and mandatory fields — a standard invoice, a proforma invoice, a credit note and an invoice from a non-VAT payer.

Invoice types

Four types of invoice you need to know.

Each type has different mandatory fields. Here is the exact overview under the Slovak VAT Act, Act No. 222/2004 Coll. (zákon č. 222/2004 Z. z. o DPH).

T01 · Standard

Invoice from a VAT payer

A standard invoice with a VAT breakdown — mandatory for every registered payer of value added tax.

Mandatory fields
  • Supplier's business name and registered office
  • Supplier's Company ID (IČO, where assigned), Tax ID (DIČ) and VAT ID (IČ DPH)
  • Customer's business name and registered office
  • Customer's Company ID (IČO, where assigned), Tax ID (DIČ) and VAT ID (IČ DPH)
  • Sequential invoice number
  • Date of issue and date of supply
  • Due date
  • Description of the goods or service, quantity, price
  • Taxable amount, VAT rate, VAT amount
  • Total amount including VAT
  • Bank account (IBAN)
  • Payment QR code (PAY by square)
T02 · Non-VAT

Invoice from a non-VAT payer

A simplified invoice without a VAT breakdown, for sole traders and companies that are not VAT-registered.

Mandatory fields
  • Supplier's business name and registered office
  • Supplier's Company ID (IČO, where assigned) and Tax ID (DIČ)
  • Customer's details
  • Sequential invoice number
  • Date of issue and date of supply
  • Due date
  • Description of the goods or service, quantity, price
  • Total amount (no VAT)
  • The wording ‘Nie som platiteľ DPH’ (I am not a VAT payer)
  • Bank account (IBAN)
T03 · Proforma

Proforma invoice

Issued when payment is required up front. It is not a tax document — it records the advance payment.

Mandatory fields
  • All the fields of a standard invoice
  • The label ‘Zálohová faktúra’ (proforma invoice)
  • What the advance covers and the purpose of the payment
  • Amount of the advance
  • A link to the future settlement invoice
T04 · Credit note

Credit note (corrective invoice)

A corrective document that reduces the originally invoiced amount. It must reference the original invoice.

Mandatory fields
  • All the fields of a standard invoice
  • The label ‘Dobropis’ (credit note)
  • Number of the original invoice
  • Reason for the correction
  • The difference in the amount (a negative value)
Why eFaktúra

A correct invoice without thinking.

Six things eFaktúra does for you — from the first second to the export into your accounts.

  • Auto-fill from the registers

    Enter a Company ID (IČO) and the system pulls the name, address, Tax ID (DIČ) and VAT ID (IČ DPH) from the registers. No retyping.

  • PAY by square on every invoice

    Your customer pays from their phone in two seconds. No copying out an IBAN or a variable symbol.

  • Mandatory fields, automatically

    The system checks every invoice before it is sent. You simply cannot issue an invalid invoice.

  • Ready for e-invoicing in 2027

    When e-invoicing becomes mandatory, we will prepare the switch automatically — at no extra cost.

  • Pohoda, Omega, Money S3

    One click prepares an export for your accounting software in a format your accountant already knows.

  • Ten years in the cloud

    An encrypted archive, your statutory retention duty met and your data kept in the EU. No manual backups.

Create your first invoice
Further reading

Related articles.

If you want to dig deeper — three guides that complement the invoice templates.

Blog (Slovak)

What an invoice must contain

An overview of the mandatory fields with a commentary on § 74 of the VAT Act.

ReadBlog (Slovak)

Invoicing for sole traders

The tax basics for sole traders — what to issue, what to archive and what to avoid.

ReadGuide

How to issue an invoice, step by step

A three-minute read covering everything from the Company ID (IČO) to sending the invoice by e-mail.

Read

Ready for
e-invoicing in 2027?

Electronic invoicing becomes mandatory in Slovakia in 2027. Find out how to get ready and whether it applies to you.

E-invoicing 2027Try it free

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