Periodic Advance Tax Declaration (FinProf)

FinProf is the name of the system you use to file tax returns with the Belgian authorities. The monthly/quarterly advance tax declarations are completed with the FinProf Web application.

FinProf declarations are usually submitted monthly by the employer to the tax authorities, however, some companies are allowed to submit these declarations quarterly.

Implementation Considerations

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Features

Finprof Data – Institution Tables

The FinProf data is divided in the following main groups:

Debtor (employer) identification, identified with the company ID number maintained in the institution table T5B1S. The official communication language is maintained in the institution table T5F99IE within the record of the assigned corresponding tax receiver.
Receiver (tax authorities) identification (institution group 0002 in table T5F99IG), identified with the codes for the tax district and tax office. The corresponding tax office can be assigned to the organizational unit company (table T5B1H) or personnel area/subarea (table T5B1H).
The usage of version 2.0 for the institution tables (see constant INSRE, table T511K), allows you to make assignments based on the employee groupings. The assignment to an employee grouping (activated with version 2.0) has to be completed with the maintenance of the Specifity field (SPEC) in view V_T5F99IG.
Revenue, identified by the year, the period, and revenue type according to the selected data in the FINPROF - Advance Tax Declaration (RPCBWMB0) report.

Every month, as employer, you have to file a separate return with each tax district and office for each type of income.

This single declaration is identified with a declaration number. A sequential numbering is automatically generated based on the B2A integration and stored in the employer’s status table T5F99SR.