(Maitre'D 2003, from Service Pack 6 and later versions of Maitre'D)
Time and Attendance / View / Options
You can forbid the modification of any punches older then the last End
Of Day procedure, so that any such modifications can only be performed
at the corporate office.
To stop these editions, enable the following option.
Restrict Edition to Current Day
Time and Attendance / File / Employees / Time Card
If an attempt is made, in a restaurant, to modify a punch from a previous
fiscal day, or add a punch to a previous fiscal day, a warning message
is displayed, and you can not proceed with the adjustment.