Your Responsibilities — and What Happens If Data Is Late or Missing

To prepare accurate Slovak VAT returns and remain compliant with the Slovak Financial Administration (Finančná správa), it is essential that all transaction data is uploaded directly into your hellotax software account — never sent to hellotax by email.

Without complete and timely data inside the system, VAT returns cannot be prepared or submitted correctly.

This article explains why uploading your data properly is critical, what happens if data is late or missing, and how to stay compliant every month.

✅ Why You Must Upload Data into the hellotax Software (Not by Email)

hellotax operates as a software-driven VAT compliance provider. All calculations, validations and filings are generated directly from the data stored in your account.

Uploading data into the system — instead of sending it to hellotax by email — is essential because:

1️⃣ Email Data Cannot Be Used for VAT Filings

Files sent to hellotax by email:

• Do not enter the VAT calculation engine
• Are not validated automatically
• Cannot automatically be included in your VAT return

Without system-uploaded data, no return can be generated through the standard process.

2️⃣ Your Data Must Be Available in the Compliance System

Accurate VAT reporting depends on complete transaction records.

Keeping your transaction data within your hellotax account ensures the information needed to prepare your Slovak VAT filings is available within the compliance process.

3️⃣ The Software Creates an Audit Trail

Your hellotax account logs:

• Upload date
• Data source
• Integration status
• Adjustments and corrections

This provides an important record of the data used for your VAT calculations and filings.

4️⃣ Manual Handling Increases Risk of Errors

If data is sent to hellotax by email instead of uploaded correctly, additional manual handling may be required.

This can involve:

• Downloading
• Reformatting
• Manually importing
• Revalidating

This increases the risk of mistakes and falls outside the automated subscription process.

5️⃣ VAT Deadlines in Slovakia Cannot Be Delayed

Slovak VAT returns and VAT payments are generally due within 25 days after the end of the relevant VAT period.

If your data is not in the system in time, hellotax may be unable to prepare and file your return by the applicable deadline.

📅 Your Monthly Deadline: Upload by the 4th

All transaction data must be uploaded no later than the 4th day of the month following the reporting period.

Example:

January reporting period → Upload deadline = 4 February

This includes:

• Amazon and other marketplace transactions
• Shopify / WooCommerce / webshop sales
• Manual invoices
• Returns and refunds
• Stock transfers
• Any third-party platform sales

Uploading after the 4th may compromise timely filing.

⚠️ What Happens If You Upload Data Late?

If data is uploaded after the 4th:

• Automated filing is no longer possible
• Manual reconstruction of your VAT return may be required
• Additional compliance checks must be performed
• The filing must be manually rebuilt and validated

This is an exceptional process requiring additional work.

👉 A €119 late-data processing fee applies per affected filing to cover the additional manual handling required.

🚫 What Happens If You Do Not Upload Data at All?

If required data is not uploaded:

❌ hellotax may be unable to prepare your VAT return
❌ Your Slovak VAT filing deadline may be missed

This can result in:

• Late filing consequences
• Late-payment interest where applicable
• Additional communication from the tax authority
• Further compliance action

Additionally:

• hellotax cannot take responsibility for filings prevented by missing client data
• Your account may be temporarily placed on hold after repeated failures

💡 Best Practices to Stay Compliant Every Month

✔ Activate All Integrations

Connect Amazon, Shopify, eBay, WooCommerce, etc., for automatic data flow.

✔ Perform a Monthly System Check

Ensure:

• Integrations are active
• Permissions are valid
• No connection errors appear

✔ Upload Manual Data Early (1st–3rd of the Month)

Avoid last-minute uploads on the 4th.

✔ Never Send Transaction Data to hellotax by Email

Only upload it through your hellotax account.

✔ Inform Your Team

Make sure everyone involved understands:

• The 4th-day deadline
• The upload process
• That email submissions to hellotax are not accepted as a substitute for uploading data

🤝 How hellotax Supports You

We provide:

• Automated VAT calculations
• Integration monitoring
• System alerts for missing data
• Compliance checks
• Support from your Account Manager

However, you remain legally responsible for ensuring your transaction data is complete, accurate and provided on time.

📌 Summary

🔑 Key Takeaways

• Your data must be inside your hellotax account to generate accurate Slovak VAT returns
• Transaction data sent to hellotax by email does not enter the standard filing process
• Upload by the 4th of every month
• Late data may require manual processing and incur the €119 fee
• Missing data may result in missed filings and tax authority consequences
• Staying organised helps protect your business from unnecessary compliance risks

💬 If you need help setting up integrations or uploading data, your hellotax Account Manager is here to assist you.

Compliance is a shared responsibility — and we’re here to support you every step of the way.