>>Nadya,
>>
>>Dump all the stuff you have and use the normal textbox in the column, set the controlsource to the logical field and set the Inputmask for the column to Y.
>
>Jim,
>
>It would be a great solution, unfortunately, the logic in my case is reverse (e.g. .t. means 'N' - should not be reviewed and .f. means 'Y' - should be reviewed).
>
>What can I do here?

Reverse your logic so it is frontwards instead of backwards.