Block account posting in TBB1,TBB4

Hi,

Some of  the offline TR transaction(Fix deposit,FX,bonds) will be migrated to Summit system(status is posting release) , others non-offline TR transaction will be remain in sap.

Now ,I need to block account posting for offline and not due TR transaction in FI for Transaction TBB1 or TBB4, TBB2, FWAB,FWPA,FWAA.

Anyone have any idea how can i do this ?

user exit or badi or some other way that can change account posting indicator?

Any input will be thanks.

Regards

Roger