Hello Gurus,
My requirement in that
I want to write a validation for Business Partner for both Customers and Vendors PAN Card
that
1- PAN Card field may not be empty
2- PAN Card may be of 10 digits
3- Starting 5 Letters muste be in A-Z
4- Then digit will be numeric
5- Last digit will be a Alphabet A-Z
6- No duplication of Pan card with any other vendor
Please telle me how to write step by step
Thanks in Advance