Belgium - 1989 Party Finance Law

Title Article 20
Chapter CHAPTER III Funding of political parties
Article

20

The endowment, such as is laid down in Articles 15, 16, 18 and 19, is calculated and paid on a quarterly basis.
The calculation is performed based on data available¬ on the first day of the quarter for which the allocation is made.

Categories - Party finance (Direct public funding)
Source http://www.ejustice.just.fgov.be/cgi_wet/wet.pl