I want to create custom column in SharePoint List Like : It should be Edited by Only authorized person or group . There are 5 columns in the Custom List.
User 1 Will insert only first Three column of list ,first 3 column having one column system Date : Date When User1 insert the starting 3 details .
User 2 will edit the details of User One and remaining Column consisting of Remark and Revised Date : Revised date is the Date when User 2 updated the Details .
how can Implement this in SharePoint 2007 .