APP CONFIGURATION

Hi Experts,

I am new to SAP i have some doubts please clarify it please.

(1) I have total 19 company codes is there how to configure APP to all company codes whether can i configure total at a time or can i configure individually for company code wise for APP

(2) How to configure the New payment methods in Payment method classification tab in FBZP(Payment method for company code transaction) For example in standard these option are available Check,Bill of exchange and Check or Bill of exchange are available but now i want to create new payment methods i.e NEFT and RTGS How to configure these new two payment method.

    Please send  me step by configuration steps for these two issues it will more helpful.I am waiting for yours replies.

Thanks&Regards

Sreedhar