A diligence checklist is a list of tasks or steps that need to be followed carefully and thoroughly to ensure the completion of a task or project. Full definition
PART A: GENERAL DUE DILIGENCE CHECKLIST Lawyers must ensure that the service provider and technology they use support the lawyer's professional obligations, including compliance with the Law Society's regulatory processes. (slaw.ca)
A Practical Due Diligence Checklist on Preventing the Most Common Attorneys Errors in Civil Litigation, ACI / LPL Legal Malpractice Conference (New York, May 2012) (pattersonlawfirm.com)