On 30-1-2014 9:27, Andreas Heinlein wrote: > Hello, > > is there a way to un-set a custom date field, i.e. turn it from a > specific date to "no value" again? In my test RT-4.2.2 it is '', two single quotes and the date will revert to unset. Disregard the notice at the top of the page which says the date is now 12-31-1969. Joop