When this guide is useful
A property changes after the original study and later may be sold.
The distinction that matters
Preserve additions, removals and report revisions together with the actual tax schedules. An initial estimate does not provide a complete later disposition analysis.
A worked situation to investigate
An investor replaces appliances and a gate, then sells the property several years after receiving a study.
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.