As part of product development, you should have an Exit plan in place prior to rolling out new products. Eventually, when the life cycle of that product/service expires, you will have guidance from your own research in the beginning, using those regs that apply to the product itself.
Take a look at OCC Bulletin 2004-20 Risk Management of New Expanded or Modified Bank Products and Services. It discusses how to evaluate, etc.
Integrity. With it, nothing else matters. Without it, nothing else matters.