Political and economic environment should not impact on decision for a company to develop and implement such strategic initiatives.

What are the different categories which a BCP can be prioritized?

The best approach to strategize, plan and implement BCP is to conduct Business Impact Analysis of each business unit, in order to prioritize various critical functions and processes. You categorize different processes and make redundant, for example, the ones that are mission critical, and work your way down from there. You manage the strategy so that in the event of an incident, your business can continue, albeit from a different location.

How frequently should a DM or BC strategy be revised?