Relocation & permits magazine Gate NL · Edition 2026
A2The 30% ruling

ICS Payroll: File Your 30% Ruling Application Within 4 Months

File the 30% ruling application within four months of start to backdate. ICS Payroll handles the filing and salary norm test in 2026.

By The Career Spark desk6 min read

The four-month filing window is critical for the Dutch 30% ruling. An application filed within four months of the employee's start date lets the ruling backdate to day one, capturing the full-year tax-free reimbursement. If the application is filed after the four-month deadline, the ruling starts only from the approval date forward, losing months of tax-free income. ICS Payroll prioritizes speed to ensure no deadlines are missed and your international team gets the full benefit from day one.

Why the Four-Month Deadline Matters

The four-month window is fixed by law. When an application is filed within four months of the start date, the Belastingdienst backdates the ruling to the first day of work. This is critical because the 30% ruling is retroactive: the reimbursement applies to income earned on day one, even though the approval comes weeks or months later. Without timely filing, you miss the early-year benefit and lose the tax-free income for months.

If your application arrives after the four-month mark, the ruling starts only from the approval date, which could be month five, six, or later. This delay is costly for international employees relying on the benefit. Filing on time is not just a nice-to-have administrative task: it is the difference between a full-year ruling and a partial-year ruling.

Step-by-Step: How the Application Works

The application process starts well before the four-month deadline. Information gathering begins from day one of employment. First, the employee's identity, nationality, and work history are verified. Second, the salary is confirmed and tested against the 2026 salary norm: €46,660 per year for employees aged 30 and older, or €35,468 per year for employees under 30 with a qualifying master's degree. This salary norm test is conducted as part of onboarding, so surprises are avoided.

Once eligibility is confirmed, the application is prepared with the employee's data and submitted to the Belastingdienst. The application includes the employment contract, salary documentation, proof of foreign hiring, and the employee's BSN (citizen service number). ICS Payroll handles all these documents and submits them as one package before the four-month deadline. Learn more about the four-month deadline timeline to understand the exact sequence.

Phase Timing What Happens
Offer & salary confirmation Before start date Run salary norm feasibility check within one business day
Employment contract & BSN setup Week 1 after start Verify documents, gather identity proof
Application preparation Weeks 2-3 Prepare application package with all required fields
Belastingdienst submission Before month 4 end File application to lock in four-month backdating window
Approval & payroll adjustment After filing Track status; update payroll when approved

Eligibility Testing: The Salary Norm Check

Before submitting to the Belastingdienst, the application must satisfy several checks. ICS Payroll runs these tests as part of its standard process. The salary is tested against the 2026 norms to confirm it meets or exceeds the threshold. The employment contract is reviewed to ensure it shows foreign hiring and commitment to a Dutch role. The employee's background is checked for any prior Netherlands residence that might disqualify them. These checks ensure the application has a strong foundation.

The employer structure is also verified: the employer must be a recognized Dutch legal entity, a subsidiary, or a branch eligible to apply for the ruling on behalf of the employee. This diligence prevents rejections from the Belastingdienst and keeps the process moving within the four-month window. ICS Payroll conducts these verifications and submits the application within the deadline.

The Salary Norm Test in Practice

The salary norm test is the first gate to the 30% ruling. It compares the employee's annual gross salary to the 2026 thresholds. For employees aged 30 and older, the salary must be at least €46,660 per year. For younger employees with a master's degree, the threshold is €35,468 per year. If the salary falls short, the ruling cannot be granted.

When modeling a 30% ruling for a specific case, a feasibility memo comes back within one business day. This early check allows salary negotiations to be finalized with certainty before the employment contract is signed. If the salary needs adjustment to meet the norm, the employer and employee are advised of the required figure. Use the 30% ruling cost calculator to model the financial impact before finalizing your decision.

Meeting the Four-Month Deadline

Speed in the onboarding process is essential to stay well within the four-month window. Delayed identity verification, slow BSN appointments, or late contract signing are common delays, but coordination helps avoid them. By week two or three of employment, if everything is on track, the application is prepared and submitted to the Belastingdienst.

The filing date is tracked closely to ensure the application lands before month four ends, leaving a buffer for any unexpected delays. If unforeseen issues arise, such as a missing document from the employer, the situation is handled immediately to avoid pushing the filing past the deadline.

What Happens After Filing

Once the application is submitted to the Belastingdienst, the waiting period begins. The Belastingdienst reviews the file and issues a decision within weeks or months depending on the case. The status is tracked and the employer and employee are notified of the approval date. Once approved, payroll is adjusted to reflect the 30% tax-free reimbursement, ensuring the benefit is realized in take-home pay from the approval date forward.

Even though the ruling is approved after the four-month window, it still applies retroactively to day one because the filing was timely. The employee receives a lump-sum adjustment or catch-up payment for the retroactive benefit once the Belastingdienst approves the application. For moves between group companies, see moving from India or Asia to the Netherlands to understand relocation context.

Avoiding Common Filing Delays

Delays often occur when documents are missing or when the employer is slow to provide supporting paperwork. Working with an advisor, the required documents are gathered upfront: employment contracts, proof of foreign hiring, employment history, and salary records. By preparing these items during the first week of employment, delays later are avoided.

Another delay source is the employee's BSN registration. A late municipal appointment or incomplete registration can push back the entire timeline. Coordination with the employee and the municipality helps prioritize this early so the filing stays on track.

FAQ: Applying for the 30% Ruling on Time

Q: What if my employment contract is signed late, will I still meet the four-month deadline?
A: The deadline is four months from your official start date as stated in the contract. If the contract is signed in week three but your employment already started in week one, the deadline is still four months from week one. ICS Payroll coordinates with the employer to ensure the start date and contract signature are aligned to protect the timeline.

Q: Can the four-month deadline be extended if I am still gathering documents?
A: No, the four-month deadline is fixed by law and cannot be extended. This is why documents are gathered upfront during onboarding rather than waiting until month three. By preparing early, the application is ready to file well before the deadline.

Q: What if the Belastingdienst asks for more information after I file?
A: If the Belastingdienst requests additional documents or clarification, the response should be quick to keep the review on track. As long as the initial application was submitted within four months, the backdating right is protected even if the approval takes longer due to follow-up questions.

Q: If I file late and lose the backdating, can I apply for a late ruling?
A: Yes, a late application can still be filed, but it will only apply from the approval date forward. You will not receive the retroactive benefit for the months before filing. This is why meeting the four-month deadline is so important: it is the only way to capture the full year's tax-free income.

Questions at the desk

Q1What if my employment contract is signed late—will I still meet the four-month deadline?

The deadline is four months from your official start date as stated in the contract. If the contract is signed in week three but your employment already started in week one, the deadline is still four months from week one. ICS Payroll coordinates with the employer to ensure the start date and contract signature are aligned to protect the timeline.

Q2Can the four-month deadline be extended if I am still gathering documents?

No, the four-month deadline is fixed by law and cannot be extended. This is why ICS Payroll gathers documents upfront during onboarding rather than waiting until month three. By preparing early, the application is ready to file well before the deadline.

Q3What if the Belastingdienst asks for more information after I file?

If the Belastingdienst requests additional documents or clarification, ICS Payroll responds quickly to keep the review on track. As long as the initial application was submitted within four months, the backdating right is protected even if the approval takes longer due to follow-up questions.

Q4If I file late and lose the backdating, can ICS Payroll apply for a late ruling?

Yes, ICS Payroll can still file a late application, but it will only apply from the approval date forward. You will not receive the retroactive benefit for the months before filing. This is why meeting the four-month deadline is so important: it is the only way to capture the full year's tax-free income.

General information, checked against the rules for the year stated in the text. Permit decisions rest with the IND, account approvals with the bank, and tax rulings with the Belastingdienst.