Why Write an Accounting Manual of Policies & Procedures? Every company should document its accounting procedure process. A well-designed and properly maintained system of accounting policies and procedures documentation enhances your accountability and consistency, while at the same time producing long-term savings from reduced duplication, rework, training, and increased focus, consistency, and productivity. Writing accounting manuals of policies and procedures is an important task. Consider a template from Bizmanualz to help save you time.