Commercial Regulation
Belgium Payroll
Belgian payroll regulation covering Bedrijfsvoorheffing (BV Schaal I/II/III), RSZ/ONSS, Sociale & Fiscale Werkbonus, Vakantiegeld — with full support for Bedienden, Arbeiders, Bedrijfsleiders, Flexi-Job, TAO, and Niet-inwoners.
Benelux Ready
Arbeiders · Cat2 Providers
v1.0-beta
Part of the Benelux Consolidation Region →
Regulation Overview
BE.Bedrijfsvoorheffing
2026 / Core regulation + 5 versioned data regulations + 2 provider regulations
73
Wage Types
6
Reports
17
Cases
59
Integration Tests
Social Security (RSZ / ONSS)
RSZ Werknemer13.07%
RSZ Werkgever25.00% / 32.40%
Flexi-Job2.71% / 11.94%
Bedrijfsleideryes
BSZByes
GGMMI€2.189,91
Bedrijfsvoorheffing (BV)
Jaarprojectieyes
Schaal I/IIsingle / married 1 income
Schaal IIImarried 2 incomes
Huwelijksquotientyes
Gezinslastenyes
Sociale Werkbonusprogressive
Fiscale Werkbonusyes
Opcentiemenyes
Rijksregisternummervalidated
Certification Requirements
Required Registrations & Filing Certifications
Customer responsibility — Payroll Engine provides calculation results, not filing
Filing & Data Registrations
Dimona (ONSS / RSZ)Employee entry/exit notifications — mandatory before first payroll
DmfA (ONSS)Quarterly social security declarations
Belcotax-On-WebAnnual wage certificates (fiches 281.10 / 281.20)
Payroll Engine computes gross-to-net results and produces statutory reports. Submission to ONSS and the tax authority requires separate employer registration and is the sole responsibility of the deploying entity.
Deployment & Compliance
Flexible Deployment
Standalone Belgium or full Benelux multi-country
Belgium Only
- 5 data sub-projects
- Cat2 provider regulation
- Arbeiders provider regulation
Benelux Multi
- BE + NL + LU
- Cross-country reports
L1BE.Bedrijfsvoorheffingcommercial
L1Data.BV / RSZ / WB / VAA / Directeur
L2BE.Bedrijfsvoorheffing.Cat2
L2BE.Bedrijfsvoorheffing.Arbeiders
L3Regulation.Consolidation
L4Benelux.Consolidation
Cases & Statutory Reporting
13 payroll input cases + 5 legally required filings
Reports
DmfAXMLQuarterly · ONSS
Belcotax-on-web / Fiche 281.10XMLAnnual · FOD
DimonaXMLPer event · ONSS
LoonfichesPDFAnnual · Employee
Individuele RekeningPDFAnnual · Employee