Integrating billing conditions with 0sd_c03

Hi Gurus,

Would it be advisable to integrate billing conditions in our standard sales cube 0sd_c03 using look-up or should i be using a Billing DSO and then a integration DSO instead.

I have confirmed with the client, that if at there are any changes required in a Billing document, they would cancel the bill and create a new one.

I would be extremely thankful for your help and suggestions.

thanks

Rahul.