A weak starting point can hurt employee usability and introduce confusion and user-error. Do you know why else you should write new policies and procedures?
Keeping certain concepts in the forefront ?? like change and appropriateness of language, among others ?? helps you craft the sort of policies and procedures manual that meets or exceeds everyone's needs.
An Effective Policy Procedure Manual is clearly written and easily understood by all the employees in your organization. DO you know how to create these?