FB02 qnd FB03 adding a new field on screen BKPF-SANME

Hello All,

I am having a requirement as adding a field BKPF-SANAME on the screen on FB01, Fb02, Fb03.

For Fb01 i got an badi and added the field on the screen.

But Fb02, FB03 i am not having any BADI or exit to add the screen field at headder level.

Can any one hep me out in thsi.

How to add a filed BKPF-SNAME in Fb03, FB02 ??????

Urgent........