Most "2026 Czech tax change" articles you read in January gave you the headline list: 23 percent threshold rose, DPP threshold rose, freelancer minimums rose. The big stuff. What they did not give you was the specific check-this list of smaller changes that actually affect your monthly paycheck, your benefits package, your tax filing, and your eligibility for things you have been claiming for years.
This is that list. Eight specific changes, each with a concrete action step. Walk through them in order. If any of them apply to your situation, the action takes 10 to 30 minutes. Most expats discover one or two items on the list that catch them off guard.
Employment
1. Verify your DPP is correctly classified
- The threshold for mandatory social and health insurance contributions on a DPP (dohoda o provedení práce) agreement rose from 11,500 CZK to 12,000 CZK per month in 2026.
- If you have multiple DPP arrangements, each one is assessed against the threshold separately for the income tax on it, but DPP earnings now have to be registered with the Czech Social Security Administration each month under the new JMHZ employer reporting system.
- Action: If you do casual work under DPP, confirm with your employer that they have updated their threshold logic for 2026. Earnings of exactly 12,000 CZK now fall on the wrong side of the line where contributions kick in.
2. Check whether your benefits package was restructured
- The "salary swap" loophole that let employers convert salary into tax-free benefits was closed January 1, 2026.
- If your benefits were structured as a swap (you accepted lower gross salary in exchange for tax-free perks), they are now taxable as employment income.
- Some employers restructured automatically by rolling the swap portion back into base salary. Others have not, leaving employees exposed to surprise tax liabilities.
- Action: Compare your January or February 2026 paystub to December 2025. If the structure changed, your gross should have gone up by roughly the swapped benefit value. If nothing changed and you still receive benefits "instead of" salary, ask HR whether they applied the new tax treatment correctly.
Pension and benefits
3. Confirm employer DIP contributions still count toward limits correctly
- From January 1, 2026, Act No. 324/2025 Sb. introduced a new employer obligation to contribute to retirement savings products for employees performing hazardous work classified in risk category 3. The contribution amounts to 4 percent of the social security assessment base in any month where the employee works at least three qualifying shifts.
- This is an opt-in benefit. The employee must request it in writing from the employer. Employers must inform eligible employees of the right to claim it (existing risk-category 3 staff had to be informed by January 15, 2026; new hires must be informed before they start the hazardous work).
- DIP contributions explicitly do not fulfil this obligation. Only DPS (doplňkové penzijní spoření) or pension insurance with a state contribution (penzijní připojištění) count.
- Action: If you work in a risk-category 3 role and have not received written information about this entitlement, raise it with HR. If you choose to claim, you provide the pension company name and account in writing. Employers face fines up to 2,000,000 CZK for non-compliance.
4. Review your spouse-deduction eligibility
- The spouse tax deduction (24,840 CZK per year, claimable when your spouse earns under 68,000 CZK annually) added a new condition in 2026: the spouse must be caring for a child under 3 years old.
- Many expat couples claimed this deduction historically without a young child. From 2026, that arrangement no longer qualifies.
- Action: If you claimed the spouse deduction in your 2025 tax return, verify whether you still qualify for 2026 under the new condition. Adjust your monthly tax withholding through your employer if needed to avoid a year-end surprise.
Self-employment
5. Update your monthly OSVČ payments
- Minimum monthly social insurance for primary self-employment rose to 5,720 CZK from 4,759 CZK (proposed cap of 5,005 CZK is pending legislation, so pay the higher amount in early 2026 and any overpayment will be credited).
- Minimum health insurance rose to 3,306 CZK per month.
- For "new starter" freelancers in their first three years, a discounted social insurance rate of 3,575 CZK applies.
- The flat-rate tax (paušální daň) Band 1 rose to 9,984 CZK per month.
- Action: Update your standing order to your social and health insurance providers. If you pay manually, calendar the new amounts. Underpayment is a fineable offense.
6. Reconsider the flat-rate vs. real-expense decision
- The flat-rate tax (paušální daň) Band 1 jumped sharply from 8,716 CZK to 9,984 CZK per month for those earning under 1 million CZK per year.
- For freelancers with low or irregular income, the increase tilts the math more in favor of using real expenses (skutečné výdaje) and filing a normal tax return rather than the flat-rate regime.
- For freelancers with steady mid-range income, flat-rate is still simpler and often slightly cheaper.
- Action: Run the math. If your annual income is well under 1 million CZK, calculate your tax under both flat-rate and real-expense regimes. Switch if the difference is meaningful (typically more than 20,000 CZK per year).
Property and housing
7. Verify investment-mortgage classification if buying property
- From April 1, 2026, the Czech National Bank caps loan-to-value at 70 percent (down from 80 percent) for investment properties: third home or pure rental properties.
- The total debt-to-income ratio is also capped at 7x net annual income (down from 8x).
- "Investment" classification depends on bank judgment plus your stated intent. Properties for parents or partial rental fall into a gray zone.
- Action: If you are mid-purchase or planning one, talk to the bank about classification before you commit to a price. If the property would fall under the 70 percent cap, you need a 30 percent down payment instead of 20 percent.
Compliance and reporting
8. Be aware of the new JMHZ employer reporting
- Czech employers now submit a single monthly report (jednotné měsíční hlášení zaměstnavatele, JMHZ) covering social security, payroll tax, and other regulatory data, due between the 1st and 20th of the following month.
- The Act on JMHZ took effect January 1, 2026, but the live system runs from April 2026 onward. During the January-to-March transitional window, no JMHZ reports are submitted in real time. Catch-up filings for those three months are made between April 1 and June 30, 2026, and the first regular monthly report covers April 2026 data and is due between May 1 and 20, 2026.
- JMHZ does not cover health insurance. Employers continue to file separate monthly overviews and notifications with health insurance companies as before.
- The change is administrative for employers, but the data is now shared faster between the Tax Office, Social Security, and other authorities. Errors that used to stay hidden for months can show up within weeks.
- Action: If you spot a discrepancy in your payslip or your social or health insurance status, raise it earlier rather than later. Resolving mismatches quickly avoids letters from regulators.
What to do this quarter
Pick the items that apply to you. For employees, items 1, 2, and 4 are the most universally relevant. For self-employed expats, items 5 and 6. For people with hazardous work classifications, item 3 is critical. For property buyers, item 7. Item 8 is administrative awareness for everyone.
Each check takes 10 to 30 minutes. None of them require an advisor. They mostly require you to compare your January 2026 paperwork against December 2025 paperwork and confirm that things match what they should under the new rules.
If you find a mismatch, the most direct path is usually with your employer (for items 1-4) or your accountant (items 5-6) or your bank (item 7). Most issues at this stage are correctable without penalties as long as you raise them promptly.
The harder cases, where structural changes are needed (like benefit-package redesign or pension setup), are where having a financial advisor familiar with both the old and new rules saves you time. Six months from now, when the dust settles, the surface area for compliance issues will narrow. Right now, in May 2026, the system is still in transition and the small fixes are still small.
Frequently asked questions
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Let's TalkAbout the author: Nicolas Griss is the co-founder of Profi Expats, a team of CNB-registered financial advisors helping expats in Czech Republic since 2017. He specializes in pension planning, investments, and mortgages for the international community in Prague.