COST CENTER IN BILLING DOCUMENT (VF01)

Hi Experts,

Please guide me how to update the cost center field in the billing dcoument.what is the functionality of that cost center field in the billing document.If I maintian a cost center in the billing document whether it will also updated in the accounting documents and and the coste center will also update in the tcode FB03 and KSB1 ?

Appreciate a early Feed back.......

Thanks in Advance...

Regards,

Surendra Kumar....