This update adds tests that clarify how accounting should handle changes to existing tax rates. It helps reduce the risk of errors when tax rates are updated, supporting more reliable compliance and reporting.

This commit aims at better defining how to handle tax rates being updated for some taxes, and test the procedure.

The vehicle model view now places the engine and salary information blocks in a more suitable order. This makes the Belgian payroll fleet screen easier to read and helps users find related vehicle details more naturally.

changing position of engine block and salary block in vehicle models view

task-4351672