The principles of the business process re-engineering (BPR) approach do NOT include:

• A. Checking that all internal customers act as their own suppliers to identify problems.
• B. Scrapping any process line over two years old and starting again from scratch.
• C. Striving for improvements in performance by radical rethinking and redesigning the process.
• D. Rethinking business processes cross-functionally to organise work around natural information flows.