PO Creation & Change by Name & Password
Dear All ,
My requirement is for a particular Purchase organization & purchase group ,
1.when creating the the purchase order(ME21N),
user name & password should entered& without name &password purchase order should not be saved.
2.After creation of Purchase order, if any changes in PO(ME22N) the system should ask name & password while entering or saving the new values.& other user should not change the PO
Please give suggestions & solutions for the above problems
( Please don't suggest by authorization by Basis )