Field help (ECHCUM) 

Reset to zero exception for the totals

Some totals are reset to zero depending on their periodicity. If there are specificities regarding the resetting to zero of some totals, they must be defined here, by specifying:

-the periodicity of the totals concerned by the exception

-the expression used to reset to zero

-a date range; the exception will be taken into account in the employee's salaries that are within this period.