Field help (CONSGDDDEB) 

The ranges of the entered dates is used to filter the budgetary objects with a starting date is within this time interval (start date greater than or equal to the start date of the period or less than or equal to the end date of the period). 

The annual envelopes situated in the period are those which start date is situated in the entry period. The pluriannual envelopes situated in the period are those which one of the budgets contains a start date included in the entry period.

By default, the starting date is initialized by the starting date of the last fiscal year budget opened.