Article L5219-8-1 of the French General Code of Local Authorities
I. – Taxes and impositions collected by way of assessment, on behalf of the Greater Paris metropolitan area, are allocated monthly, in the amount of one twelfth of their total amount, as provided for in the budget for the current year, with the first payment being made before 31 January. When the amount to be allocated cannot be determined as indicated in the previous paragraph, the monthly allocations are made…