Regarding CIN details in Vendor master

Dear Gurus

I am viewing in some of the user ids CIN Detail tab

If i wil click that tab means i wil all registration details of vendor like SSI status, ECC number and all

But in some of the id if i will display vendor master means i am not able view this tab

I know for those user ids the screen sequence is not refered.

Basically for this where will assign that details

Can any body guide me

Rgds

Surya