I have the following formula in Col G
=IF(LEFT(B2,2)="UC","COS",IF(AND(B2="F22200",F2=""),"COS",IFERROR(VLOOKUP(F2,'unique Suppliers & Codes'!A:B,2,FALSE),"")))
I would like the formula amended so that if Col F contains a date format dd/mm/yyyy for eg 03/04/2018 then it must return COS in...