When this guide is useful
An adviser recommends an entity election but the owner has not confirmed filing and acceptance.
The distinction that matters
Distinguish recommendation, signed filing, submission evidence and subsequent reporting. A planning presentation does not implement an election.
A worked situation to investigate
An owner discusses an S corporation election in a meeting while the payroll provider continues treating the business as a sole proprietorship.
The example is illustrative. Begin with the underlying event and its source documents, then separate missing facts from disagreements about their treatment. Work through the checks below in the order that matches your file, rather than treating a completed checklist as a tax conclusion.
Build a traceable handoff
Identify the affected person, entity or property and the relevant period. Keep original evidence, corrections and the reviewer's written conclusion connected. If the facts change after review, preserve the earlier version and ask whether the change affects implementation.