Applicable on billable time
When creating a fixed amount invoice, the user can apply the amount of the
invoice to hours described as billables in the time sheets refering to the
selected file. Check in the box adjacent to Applicable on billable time and then enter a period of time (in the provided field) corresponding in
hours to the amount of the invoice. By default the date of the end of the period
is the current date but it may be modified by the user
Note : it is VERY IMPORTANT to indicate a period of time when using this option. If the period field is
leave blank, all billable hours corresponding to the selected file will be
included in the invoice and will then be considered as billed.