Slovak invoices need DPH details and strict numbering. Everhour turns tracked billable work into invoice-ready client records.
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A Slovakia invoice should give your client enough detail to approve the bill and give your accountant enough detail to record it. For a VAT invoice, Act No. 222/2004 Coll. on VAT controls the required invoice data, including party identity, dates, taxable bases, VAT rates, and the VAT amount in euros.
Start with the commercial facts: seller, buyer, invoice number, issue date, supply date or payment receipt date, description, quantity or service scope, unit price, discounts, tax, total due, payment terms, and bank details. If the invoice supports a project, add a clear line description such as `Implementation support, 12 hours, €85 per hour`.
A Slovak VAT invoice must state the supplier's name or business name, address, and VAT identification number. It must also state the recipient's name or business name, address, and VAT identification number where the supply was made under that number. The invoice needs a sequential invoice number, the invoice issue date, and the date of supply or payment receipt when that date is determinable and differs from the issue date.
Line items need the quantity and type of goods or the scope and type of service, the unit price excluding VAT, discounts or rebates not included in the unit price, the taxable base for each VAT rate, the VAT rate or exemption, and the total VAT payable in euros. Slovakia's DPH/VAT rates in 2026 are 23% standard, with 19% and 5% reduced rates for listed goods and services.
VAT registration changes whether you charge DPH. A Slovakia-established taxable person becomes a VAT payer from the first day of the next calendar year after taxable turnover exceeds €50,000 in the previous calendar year, or from the supply that causes current-year turnover to exceed €62,500. Unregistered suppliers should avoid presenting DPH as charged tax.
Special wording matters. A VAT-exempt supply must cite the Slovak VAT Act or EU VAT Directive provision or state that the supply is exempt. Self-billed invoices must state `vyhotovenie faktúry odberateľom`, and reverse-charge invoices must state `prenesenie daňovej povinnosti`. B2G e-invoicing is required for public procurement, while B2B and B2C e-invoicing are not currently mandatory in 2026.
A one-off invoice works for a small job, a single buyer, or a clean service line that does not need approval history. It is enough when the invoice record, tax treatment, and payment terms are already clear. A VAT invoice must generally be issued within 15 days from the supply, advance payment, or relevant calendar-month trigger, so the main risk is missing required data before sending.
A managed workflow fits repeat client work, retainer billing, and projects with billable and non-billable time. Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates amounts from rates, excludes non-billable tasks, and keeps invoice status connected after export to QuickBooks Online, Xero, or FreshBooks.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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Use the DPH rate that matches the supply under Slovakia's VAT Act. The 2026 rates are 23% standard, plus 19% and 5% reduced rates for listed goods and services. The invoice should show the taxable base for each VAT rate, the applicable rate or exemption, and the total VAT payable in euros.
Yes, a Slovak VAT invoice needs the invoice issue date and the date of supply or payment receipt when that date is determinable and different from the issue date. The invoice also needs a sequential invoice number, so the date and number together support auditability and accounting order.
Yes, but a Slovak translation must be available when the tax office requests it for inspection. This rule applies when an invoice is issued or received in a foreign language by a VAT payer or taxable person. Keep product descriptions, tax labels, and special VAT wording clear enough to translate without changing meaning.
B2G e-invoicing is mandated for public procurement in Slovakia, and public authorities must accept EN 16931-compliant e-invoices. B2B and B2C e-invoicing are not currently mandatory in 2026. Domestic B2B e-invoicing and real-time reporting are planned from January 1, 2027, with intra-EU reporting from July 1, 2030.
For EU commercial transactions, late-payment interest becomes payable 30 calendar days after invoice receipt when the contract does not set a payment period. Slovakia's statutory late-payment rate for January 1 through June 30, 2026 is 10.15%, with a €40 flat recovery-cost compensation per late invoice.
Everhour Billing & Invoicing converts tracked billable time and expenses into client invoices. It calculates invoice amounts from project or member rates, excludes non-billable work, applies client defaults such as tax rate, discount, and payment terms, and exports invoices to QuickBooks Online, Xero, or FreshBooks.
Everhour syncs exported invoice status, invoice number, issue date, and amount back from QuickBooks Online, Xero, or FreshBooks. Project and billing reports stay connected to the invoice record, so teams can see which time has been invoiced and avoid reusing the same entries.
Track approved billable time, expenses, and client terms before invoicing starts. Everhour converts that source data into invoices and keeps billing status connected across projects.
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