Belgian Payslip Explained: Loonfiche & Fiche de Paie Guide

A Belgian payslip, called a loonfiche in Dutch and a fiche de paie in French, is the mandatory document your employer provides with every salary payment. If you have recently started working in Belgium and are staring at a payslip full of unfamiliar abbreviations, you are not alone. The document packs a remarkable amount of information into a single page: your gross salary, employee social security contributions (RSZ in Dutch, ONSS in French, roughly 13.07% of gross), tax withholding (bedrijfsvoorheffing / précompte professionnel), any benefits in kind, and your resulting net pay. One detail that surprises many newcomers is the Paritair Comité (joint committee) number printed on the payslip. This number identifies the sector-level collective agreement that governs your salary scales, bonuses, and supplementary benefits.

Belgian payroll is complex even by Western European standards, and the payslip reflects that complexity line by line. Several features set it apart:

• The joint committee (PC) system locks wages and many benefits to sector-specific collective bargaining agreements, so two employees with identical job titles can have materially different pay structures depending on their PC number.
• Holiday pay is split into single holiday pay (paid during your vacation) and double holiday pay (a separate lump sum, typically disbursed in May or June), each calculated differently.
• A 13th month bonus (eindejaarspremie / prime de fin d'année) is standard in most sectors, though its amount and timing vary by joint committee.
• Social security contributions are layered: beyond the base 13.07% employee share, a special social contribution (bijzondere bijdrage voor de sociale zekerheid) is deducted quarterly based on household income.

These structural layers are one reason Belgium's labour costs rank among the highest in the EU. According to Eurostat's 2024 hourly labour cost data, Belgium had the third-highest hourly labour costs in the EU in 2024 at EUR 48.2, well above the EU average of EUR 33.5 and trailing only Luxembourg and Denmark.

There is a practical hurdle on top of the structural one: Belgian payslips are issued in the regional language. In Flanders, your payslip arrives in Dutch; in Wallonia, in French; in Brussels, it could be either. For English-speaking expats working at EU institutions, NATO, or multinational companies, this means the document that determines your take-home pay is written in a language you may not yet read fluently. This guide provides English explanations alongside both Dutch and French terminology for every major payslip field, so you can trace each deduction from gross to net regardless of whether your payslip is in Dutch or French.

If you are new to payslip terminology in general and want broader context before diving into Belgium-specific details, our general guide to reading payslips covers the fundamentals that apply across countries.

---

Dutch and French Payslip Terms in English

Belgian payslips pack a lot of information into a dense format, and when that format is in Dutch or French, identifying what each line means becomes the first hurdle. The table below maps the terms you will encounter on the vast majority of Belgian payslips to their English equivalents.

Dutch	French	English	What It Means
Loonfiche	Fiche de paie	Payslip	The document itself, issued each pay period
Brutoloon	Salaire brut	Gross salary	Your total earnings before any deductions
Nettoloon	Salaire net	Net salary	The amount actually paid into your bank account
RSZ-bijdrage	Cotisation ONSS	Social security contribution	Mandatory employee contribution to Belgian social security (13.07% of gross)
Bijzondere bijdrage sociale zekerheid	Cotisation spéciale de sécurité sociale	Special social security contribution	An additional income-based social security levy
Bedrijfsvoorheffing	Précompte professionnel	Tax withholding	Advance payment on your annual income tax
Belastbaar inkomen	Revenu imposable	Taxable income	The amount on which your tax withholding is calculated
Paritair comité	Commission paritaire	Joint committee	The sector-level body that governs your pay scales and benefits
Voordeel alle aard	Avantage de toute nature	Benefit in kind	Non-cash compensation with a taxable value (company car, housing, etc.)
Firmawagen	Voiture de société	Company car	Employer-provided vehicle, taxed as a benefit in kind
Maaltijdcheques	Chèques-repas	Meal vouchers	Per-workday vouchers for food purchases, partly employer-funded
Ecocheques	Éco-chèques	Eco-vouchers	Annual vouchers for ecological products and services
Groepsverzekering	Assurance groupe	Group insurance	Employer-sponsored supplementary pension plan
Hospitalisatieverzekering	Assurance hospitalisation	Hospitalization insurance	Employer-provided hospital coverage
Vakantiegeld	Pécule de vacances	Holiday pay	Compensation tied to annual leave entitlement
Enkel vakantiegeld	Pécule de vacances simple	Single holiday pay	Regular salary continuation during vacation days
Dubbel vakantiegeld	Pécule de vacances double	Double holiday pay	Lump-sum holiday supplement, typically paid in May or June
Eindejaarspremie	Prime de fin d'année	Year-end bonus (13th month)	End-of-year premium defined by your joint committee
Werkgeversbijdrage	Cotisation patronale	Employer contribution	The portion your employer pays toward social security or benefits
Werknemersbijdrage	Cotisation personnelle	Employee contribution	The portion deducted from your gross salary for social security or benefits

Reading tip: When you encounter an unfamiliar abbreviation on your Belgian pay stub, check whether it maps to one of the Dutch or French terms above. Payroll providers like SD Worx, Securex, and Partena often use shortened versions of these labels.

Your payslip may contain additional fields beyond those listed here, particularly sector-specific allowances or premiums dictated by your joint committee (paritair comité / commission paritaire). Some employers also include a cost-to-company breakdown that shows the full employer cost sitting above your gross salary, covering employer social contributions, insurance premiums, and other charges you never see deducted from your own pay.

If you cross-reference your payslip against bank transactions, Belgian salary payments often carry a structured communication reference (known as OGM in Dutch or VCS in French) that links the bank transfer to your payslip record. The guide on Belgian structured communication payment references explains how these codes work across Belgian financial documents.

---

Joint Committees: How Your PC Number Shapes Your Pay

Somewhere in the header of your Belgian payslip, usually near the employer details, you will find a short code labeled PC (Dutch) or CP (French) followed by a number. This is your joint committee number, and it quietly governs almost everything about your compensation package.

Belgium organizes its labor market through joint committees (Paritair Comité in Dutch, Commission Paritaire in French), sector-level collective bargaining bodies where employer federations and trade unions negotiate wages, working conditions, and benefits for entire economic sectors. There are over 100 of these committees, each assigned a unique number and responsible for a specific slice of the economy. Think of them as industry-wide collective labor agreements, but with binding legal force and broader reach than in most European countries.

Finding Your PC Number

Your joint committee number appears on your payslip's header or employer information block. Look for "PC" or "CP" followed by a three-digit number, sometimes with a decimal sub-committee (e.g., PC 200.00). It is also stated in your employment contract and registered in your social security file.

The Most Common Joint Committees for International Workers

Four joint committees cover the majority of expats and international employees in Belgium:

• PC 200 (CP 200) — Supplementary committee for white-collar workers. This is by far the largest, acting as the catch-all for salaried employees whose employer does not fall under a more specific sector committee. If you work in consulting, IT services, or a multinational's administrative office, you are very likely here.
• PC 218 (CP 218) — National auxiliary committee for employees. Covers workers in certain service and support roles not classified elsewhere.
• PC 330 (CP 330) — Health services. Applies to hospitals, clinics, care institutions, and related organizations.
• PC 226 (CP 226) — International trade, transport, and logistics. Relevant for employees at freight forwarding companies, customs agencies, and international trading firms.

What Your PC Number Actually Determines

Your joint committee sets the minimum salary scales for your role and seniority level, the indexation rules that adjust your pay to inflation, and a range of sector-specific benefits. These benefits vary widely: the amount your employer contributes to meal vouchers, whether you are entitled to a 13th month bonus (and how it is calculated), the number of additional leave days beyond the statutory minimum, and supplementary pension or hospitalization insurance obligations.

The practical consequence is significant. Two employees with identical job titles, identical qualifications, and identical responsibilities at two different companies can have meaningfully different minimum salaries, year-end bonuses, and benefit packages purely because their employers fall under different joint committees. A software developer at a logistics firm (PC 226) and one at a consulting company (PC 200) operate under entirely different collective agreements.

How You Get Assigned

When your employer hires you, they file a DIMONA declaration (Déclaration Immédiate / Onmiddellijke Aangifte), an electronic registration that immediately links your employment to the national social security system. This declaration ties you to the correct joint committee based on your employer's primary business activity, not your individual role. You do not choose your joint committee; it follows from who employs you.

If you want to verify your assignment, check your employment contract where the PC/CP number should be explicitly stated, or consult your social security records through the Belgian social security portal. Knowing your joint committee number is the first step to understanding whether your salary and benefits meet the legal minimums negotiated for your sector.

---

Social Security Contributions and Tax Withholding

Belgian payslips are notorious among expats for the gap between gross and net. Three distinct deduction layers sit between your gross salary and the amount that hits your bank account: standard social security, the special social contribution, and income tax withholding. Understanding the sequence matters, because each layer feeds into the next.

Standard social security (RSZ/ONSS) at 13.07%. Your employer withholds 13.07% of your gross salary as your personal contribution to the RSZ (Rijksdienst voor Sociale Zekerheid) in Dutch, or ONSS (Office National de Sécurité Sociale) in French. This funds Belgium's pension system, healthcare coverage, unemployment insurance, and family allowances. The deduction is flat-rate, applied to your full gross salary with no cap for most employees. Your employer also pays a separate contribution of roughly 25-32% on top of your gross (varying by sector and company size), but that amount does not reduce your payslip figure. You will only see it if your employer provides a total cost-to-company statement.

Special social contribution (bijzondere bijdrage / cotisation spéciale de sécurité sociale). This progressive levy appears as its own line, separate from the standard 13.07%. It is calculated on annual household income, factoring in your marital status and your partner's earnings if applicable. Your employer collects it through monthly or quarterly payroll deductions, with a year-end adjustment once your actual annual income is known. For context, the quarterly levy typically ranges from a few euros for the lowest household incomes to over EUR 700 for the highest earners. If you see a small adjustment (positive or negative) on a payslip early in the year, this reconciliation is typically the reason.

Tax withholding: bedrijfsvoorheffing / précompte professionnel. This is the largest single deduction for most workers. Your employer calculates an income tax advance and remits it directly to the FOD Financiën (SPF Finances in French). The withholding rate is progressive, determined by your annual gross salary minus social security contributions (the taxable base), your marital status, the number of dependent children you claim, and any applicable exemptions. Critically, this is a prepayment toward your annual tax liability, not the final word. When you file your annual tax declaration (typically the following year), the actual amount owed is reconciled against what was already withheld. The result is either an additional payment or a refund.

The deduction sequence on your payslip follows a strict order:

1. Gross salary (brutoloon / salaire brut)
2. Minus RSZ/ONSS at 13.07% of gross
3. Minus special social contribution (bijzondere bijdrage)
4. Equals taxable base (belastbaar inkomen / revenu imposable)
5. Minus bedrijfsvoorheffing (tax withholding) calculated on the taxable base
6. Equals net salary (before any non-taxable benefits like meal vouchers are added back)

Each step depends on the one before it. The Belgian social security contribution rate reduces your taxable base, which in turn affects how much income tax is withheld. This is why you cannot simply apply a tax percentage to your gross and arrive at the correct net figure.

The cumulative effect of all three layers means your net pay typically lands at roughly 45-55% of the total employer cost, depending on your salary level and personal situation. A single worker without dependents earning a mid-range salary will sit closer to the lower end of that range. Workers with dependent children or a non-working spouse benefit from reduced withholding rates, pushing their net percentage higher. The gap can surprise expats coming from countries with lower social charges. Belgian social security contributions fund pension, healthcare, unemployment insurance, and family allowances, reducing the need for equivalent private coverage.

---

Benefits in Kind: Company Cars, Meal Vouchers, and More

Your payslip lists non-cash compensation as voordelen alle aard (Dutch) or avantages de toute nature (French): each benefit your employer provides must be assigned a monetary value for tax purposes, and the tax impact varies dramatically from one type to the next.

The payslip mechanics work like this: the taxable value of a benefit in kind is added to your gross salary so that income tax and social security are calculated on the higher amount. That same value is then deducted again further down the payslip, because you never actually received extra cash. The result is a pair of matching lines, one positive and one negative, for the same benefit. You pay tax on the imputed value without your net pay increasing by that amount. This add-then-subtract pattern is the single most confusing element for people reading a Belgian payslip for the first time.

Company car (firmawagen / voiture de société)

A company car generates a taxable benefit calculated through a CO2-based formula the federal government updates annually. Three variables drive the calculation: the vehicle's catalog value (list price including options and VAT), its CO2 emissions per kilometer, and a reference CO2 emission threshold that changes each tax year. The higher your car's emissions relative to the reference threshold, the larger your taxable benefit. A minimum taxable floor applies regardless of how low the CO2 figure is, and this floor is also adjusted each year. As a rough guide, a car with a catalog value of EUR 35,000 and average CO2 emissions might generate a monthly taxable benefit of around EUR 150 to EUR 200, while a premium vehicle or high-emission model could push that figure considerably higher.

If your employer also provides a fuel card, that does not create a separate taxable benefit in kind when the car itself is already taxed under this formula. However, if a fuel card is provided without a company car, it is taxed as additional compensation at its full value.

Meal vouchers (maaltijdcheques / chèques-repas)

Meal vouchers are partially tax-exempt, making them one of the most tax-efficient benefits in Belgium. The structure has two components:

• The employer contribution can be up to a maximum of EUR 6.91 per voucher per working day. This portion is exempt from both social security contributions and income tax for the employee, provided the thresholds are respected.
• The employee contribution must be at least EUR 1.09 per voucher. This amount is deducted directly from your net salary and appears as a separate payslip line.

Because the employer contribution stays outside taxable income, meal vouchers deliver more purchasing power per euro of employer cost than an equivalent gross salary increase would. You will see the employee contribution listed as a deduction on your payslip, typically labeled maaltijdcheques or chèques-repas.

Eco-vouchers (ecocheques / éco-chèques)

Eco-vouchers are fully exempt from both social security contributions and income tax, up to a maximum of EUR 250 per year. They are earmarked exclusively for ecological products and services, such as energy-efficient appliances, public transport passes, or plants and gardening supplies. Because of the full exemption, eco-vouchers do not appear in the taxable benefit section of your payslip at all when the annual cap is respected.

Group insurance (groepsverzekering / assurance groupe)

Group insurance covers employer-funded contributions toward supplementary pension and risk coverage (death, disability). The tax treatment splits depending on who pays:

• Employer contributions are not taxed as salary income on your payslip. They are, however, subject to a special 8.86% social security contribution paid by the employer, not deducted from your pay.
• Employee contributions, if your plan requires them, are deducted from your gross salary. These deductions may qualify for a tax reduction through your annual personal income tax return.

Your payslip typically shows only the employee contribution as a deduction line. The employer's share may appear for transparency but does not affect your net calculation.

Hospitalization insurance (hospitalisatieverzekering / assurance hospitalisation)

Employer-provided hospitalization insurance premiums are generally a non-taxable benefit for the employee. Unlike the company car or other voordelen alle aard, this coverage does not increase your taxable income and does not trigger the add-then-subtract pattern on your payslip. If your employer covers the full premium, you simply benefit from the coverage with no payslip impact on your net pay.

---

Holiday Pay and the 13th Month Bonus

Belgium's holiday pay system catches many international workers off guard. If you notice an unusually large payment on a separate payslip in May or June, or a bonus appearing in December, these are not errors or discretionary rewards. They are structured entitlements built into Belgian employment law and sector-level agreements.

Single holiday pay (enkel vakantiegeld / pécule de vacances simple) is the straightforward component: you receive your regular salary during the days you take annual leave, and it appears on your standard monthly payslip like any other pay period.

Double Holiday Pay (Dubbel Vakantiegeld / Pécule de Vacances Double)

Double holiday pay is an additional lump-sum supplement paid on top of your regular salary. For white-collar employees, it is typically calculated at 92% of gross monthly salary. This payment usually arrives in May or June and appears either on a dedicated payslip or as a clearly separated section on your regular payslip.

The tax treatment differs from your normal monthly earnings. Rather than being subject to progressive tax withholding, the highest portion of double holiday pay faces a special withholding rate of approximately 35%. This means the net amount you receive may look lower than expected relative to the gross figure. The special rate applies because Belgian tax law classifies double holiday pay as exceptional income.

A critical detail for workers new to Belgium: holiday pay entitlement is based on the previous calendar year's employment, not the current one. Belgian law distinguishes between the vakantiedienstjaar (holiday service year) and the vakantiejaar (holiday exercise year). If you started working in Belgium partway through the prior year, your double holiday pay the following year will be proportional to the months you actually worked. A full entitlement requires a complete calendar year of service in the preceding year.

13th Month Salary (Eindejaarspremie / Prime de Fin d'Année)

The 13th month bonus is not a universal legal right in Belgium. Whether you receive one, and how much it amounts to, depends entirely on your joint committee (PC/CP). Many joint committees mandate a year-end premium, but the specifics vary significantly across sectors:

• Some PCs grant a full extra month's gross salary
• Others specify a fixed percentage of annual or monthly earnings
• Certain sectors do not mandate a 13th month payment at all

The payment is typically made in December, though the exact timing can differ by sector agreement. Your individual employment contract or company policy may also provide a 13th month bonus even when your joint committee does not require one, so reviewing both your PC terms and your contract is worthwhile.

Like double holiday pay, the 13th month bonus is classified as exceptional income for tax purposes. It is subject to special withholding rates rather than the standard progressive brackets applied to your regular monthly salary. This means the effective tax bite on your December bonus will differ from what you see on a typical monthly payslip. Readers who also receive German payslips can compare how these structures differ by understanding German payslip deductions and terminology.

---

The 30% Expat Tax Regime

Belgium offers a special tax status for international employees and company directors recruited from abroad, officially called the BBIB (Bijzonder Belastingstelsel voor Ingevoerde Belastingplichtigen) in Dutch or RSIB (Régime Spécial d'Imposition pour les Contribuables Impatriés) in French. Most people know it as the Belgium 30 percent expat tax regime, and if you qualify, it fundamentally changes how your payslip numbers work.

The core mechanism is straightforward: up to EUR 90,000 per year in recurring expatriation costs can be classified as employer expense reimbursements rather than taxable salary. These costs cover items like housing differentials, cost-of-living adjustments, and tax equalization. Because they are treated as reimbursements, they are exempt from both income tax and social security contributions. Your taxable gross salary on the payslip drops significantly below your total compensation package, which means lower bedrijfsvoorheffing / précompte professionnel and noticeably higher net pay.

Eligibility Under the January 2022 Reform

The 2022 reform tightened the entry requirements considerably. To qualify, you must meet all of the following:

• Recruited directly from abroad or posted to Belgium from a foreign entity
• No prior Belgian connection: you must not have been a Belgian tax resident or lived within 150 km of Belgium's borders during the 60 months before employment in Belgium
• Minimum gross annual remuneration of EUR 75,000, excluding the 30% allowance itself (researchers and academics at qualifying Belgian research institutions or universities may be exempt from this salary floor, though the remaining eligibility criteria still apply)
• Maximum duration of 5 years from the date of application approval

Employees who entered the old regime before the reform may benefit from a possible 3-year extension under transitional rules, but new applicants are subject to the strict 5-year cap.

Your employer must submit the application to the FOD Financiën / SPF Finances within 3 months of your employment start date. Missing this deadline forfeits eligibility entirely, regardless of whether you meet every other criterion.

The EUR 90,000 Cap

Before the 2022 reform, the tax-free allowance had no effective ceiling. The new rules impose a dual limit: the recurring cost allowance is capped at 30% of gross remuneration or EUR 90,000 per year, whichever is lower. For an employee earning EUR 250,000 gross, the cap would be EUR 75,000 (30% of gross), not EUR 90,000. For someone earning EUR 350,000, the cap hits the EUR 90,000 hard ceiling.

This cap applies only to the flat recurring cost allowance. Actual documented expatriation expenses such as moving costs, school enrollment fees for international schools, or setting-up costs can still be reimbursed separately on top, provided they are supported by receipts and relate to genuine extra costs of the assignment.

What to Look for on Your Payslip

If you are approved under the BBIB/RSIB regime, your payslip will typically show a separate line for the expat cost allowance, often labeled "kosten eigen aan de werkgever" in Dutch or "dépenses propres à l'employeur" in French. This line represents the tax-free portion of your compensation. It reduces your taxable base before bedrijfsvoorheffing is calculated, which is why qualifying expats see a substantial gap between their total compensation and their taxable gross on each monthly fiche.

If you do not see this line but believe you qualify, confirm with your HR department that the application was filed and approved. The regime is not automatic and requires active employer involvement from the outset.