[Access 2007 automatically puts the = in I think.
Anyhow, this is what i have in the default value field on the Job register form:
=Right(Year("Date"),2) & "/" & Format(Nz(DMax("Right([Job No], 5)","[Job Register and Report Log]","Year([Date Rec]) = " & Year("Date")),0)+1,"00000")
And I get...